chemical nomenclature unit valence value the valence value...

SCH 3U- R.H.KING ACADEMY Name:________________________

W1

Chemical Nomenclature Unit Valence Value

The valence value of an element is defined as the number of electrons an atom of that element will gain/lose/share when forming a compound. Elements have a valence value determined by their group on the Periodic table unless otherwise indicated by the name.

I 2 3 4 3 2 1 0

Cross-Over Rule for Writing Formulas

STEPS sodium chloride

magnesium oxide

calcium fluoride

lithium sulphate

aluminum carbonate

1. Write down the symbols of the elements in the order given in the name.

Na Cl

Mg O

Ca F

Li SO4

Al CO3

2. Write the valences above the elements symbol.

1 1 Na Cl

2 2 Mg O

2 1 Ca F

1 2 Li SO4

3 2 Al CO3

3. Divide the valences by the highest common multiple.

1 1 Na Cl

1 1 Mg O

2 1 Ca F

1 2 Li SO4

3 2 Al CO3

4. Cross-over valences Na1Cl1 Mg1O1 Ca1F2 Li2(SO4)1 Al2(CO3)3 5. Drop all 1’s and unnecessary brackets

NaCl MgO CaF2 Li2SO4 Al2(CO3)3

Notes:

a) You should be able to do all 5 steps in your head when you are finished the unit. b) When naming compounds, the least electronegative element is usually written first. c) Groups of elements such as SO4

2- and CO3

2- are referred to as radicals or polyatomic ions. These radicals

behave as if they were a single entity and follow the cross over rule in the same manner as other single elements. Brackets are used in the formula only if there are 2 or more of the radical indicated in the formula. For example, brackets are used in Al2(SO4)3 but not Na2SO4.

Binary Ionic Compounds

A binary compound contains 2 elements only.

Rules for Binary Ionic Compounds: a) The name of the binary compound always ends in "ide". b) The first mentioned element may have more than one valence and if it does this must be indicated in

the name. c) If the valence of the first element is not indicated in the name, their valence value is determined by

their group on the Periodic table.

A) Binary Compounds where the first element has 1 valence only

Use rule “c” and the cross-over rule. Silver has a valence of 1, zinc and cadmium have a valence of 2.

Examples:

sodium oxide Na2O calcium sulfide CaS magnesium bromide MgBr2


W2

Exercise: For all exercises give the name if the formula is provided and the formula if the name is provided.

calcium nitride __Ca3N2_

cadmium oxide __CdO__

aluminum carbide __Al4C3__

aluminum bromide __AlBr3_

silver sulphide __Ag2S_

zinc silicide __Zn2Si__

sodium fluoride __NaF__

potassium bromide __KBr___

barium iodide __BaI2__

magnesium chloride __MgCl2_

barium carbide __Ba2C__

cesium phosphide __Cs3P__

LiCl ___lithium chloride_________

BaO ___barium oxide___________

K2S ____potassium sulfide_________

Al2O3 ____aluminum oxide__________

B) Binary Compounds with Multivalent Elements

Many transition metals and some other elements have multiple valence values and therefore can form multiple compounds with the same non-metal. Due to this it is necessary to indicate the valence of the metal in the name of the compound using either the Stock (IUPAC or Roman Numeral) or Classical (“ous” and “ic”) method. The second element (non-metal) always has a valence equal to the value as determined from its group in the periodic table. The table of multivalent elements that you have been given must be MEMORIZED!

Method 1: Stock/IUPAC/Roman Numeral Method

This is the currently preferred method as the valence of the first is indicated using the corresponding Roman Numeral in brackets following the name of the first element. Examples:

iron(III) chloride FeCl3 tin(IV) iodide SnI4 phosphorus (III) oxide As2O3 mercury(II) oxide HgO Exercise: For all exercises give the name if the formula is provided and the formula if the name is provided.

iron (III) chloride _____FeCl3_____

tin (IV) oxide _____SnO2_____

phosphorus (V) chloride _____PCl5______

copper (I) bromide _____CuBr_____

antimony (V) sulphide _____Sb2S5_____

arsenic (III) oxide _____As2O3_____

mercury (I) sulphide _____Hg2S_____

antimony (V) oxide _____Sb2O5____

mercury (II) phosphide _____Hg3P2_____

arsenic (V) iodide _____AsI5______

gold (I) telluride _____Au2Te____

iron (III) oxide _____Fe2O3____

bismuth (V) phosphide _____Bi3P5_____

mercury (II) chloride _____HgCl2_____

gold (III) chloride _____AuCl3_____

copper (II) sulphide _____CuS______

arsenic (III) oxide _____As2O3_____

Pb3N2 _____lead (II) nitride_____________

Cr3P2 _____chromium (II) phosphide____

NiI2 _____nickel (II) iodide___________

Co2Se3 _____cobalt (III) selenide_________

SnO2 _____tin (IV) oxide______________

CoF3 _____cobalt (III) fluoride_________

AuN _____gold (III) nitride____________

CuO _____copper (II) oxide___________

PtO2 _____platinum (IV) oxide_________

SnF4 _____tin (IV) fluoride____________

MnO _____manganese (II) oxide_______

P2O3 _____phosphorus (III) oxide______

BiF3 _____bismuth (III) fluoride_______

PtI2 _____platinum (II) iodide_________

Fel2 _____iron (II) iodide_____________

As3P5 _____arsenic (V) phosphide_______

SnS _____tin (II) sulfide______________


W3

Method 2: Classical/"ous' and "ic" Method

This method can be used when the multivalent element has 2 possible valences. The name of the element ending with "ous" denotes the lower valence value and the name of the element ending with an "ic" denotes the higher valence values. In some cases, the Latin name for the element is used.

iron: ferrous (valence = 2) and ferric (valence = 3) gold: aurous (valence = 1) and auric (valence = 3) copper: cuprous (valence = 1) and cupric (valence = 2) tin: stannous (valence = 2) and stannic (valence = 4) lead: plumbous (valence = 2) and plumbic (valence = 4) cobalt cobaltous (valence = 2) and cobaltic (valence = 3) nickel nickelous (valence = 2) and nickelic (valence = 3) mercury mercurous (valence = 1) and mercuric (valence = 2) platinum platinous (valence = 2) and platinic (valence = 4)

*Some elements having more than two valence values or oxidation states use specific values for the "ous" and the "ic".

nitrogen ous = 1 ic = 2 chromium ous = 2 ic = 3 manganese ous = 2 ic = 3 phosphorus ous = 3 ic = 5 arsenic ous = 3 ic = 5 bismuth ous = 3 ic = 5

Examples: stannous chloride SnCl2 phosphorous oxide P2O3 arsenic phosphide As3P5 nitric oxide NO


ferric oxide ____Fe2O3______

phosphoric sulfide ____P2S5_______

cuprous fluoride ____CuF_______

stannic fluoride ____SnF4_______

antimonous sulfide ____Sb2S3______

arsenious bromide ____AsBr3______

nickelic iodide ____NiI3_______

chromous oxide ____CrO_______

platinic nitride ____Pt3N4______

auric iodide ____AuI3_______

nitrous phoshpide ____N3P_______

stannic oxide ____SnO2______

arsenious nitride ____AsN_______

mercuric fluoride ____HgF2______

cuprous nitride ____Cu3N______

auric chloride ____AuCl3______

cupric sulfide ____CuS_______

CrI3 ______chromic iodide____________

NiI2 ______nickelous iodide___________

HgBr2 ______mercuric bromide________

CoCl3 ______cobaltic chloride___________

As3N5 ______arsenic nitride_____________

Fe2C ______ferrous carbide____________

PbS ______plumbous sulphide_________

Bi2Se5 ______bismuthic selenide_________

CuO ______cupric oxide_______________

Sb2S5 ______antimonic sulfide__________

As4C5 ______arsenic carbide____________

Au2S ______aurous sulfide_____________

PAs ______phosphorous arsenide______

NiP ______nickelic phosphide_________

CoF3 ______cobaltic fluoride___________

CrS ______chromous sulphide________

Au2Se3 ______auric selenide_____________


W4

Formula of Elements Most elements are written as single entities.

Example: iron Fe(S) copper Cu(S) helium He(g)

The exceptions to this rule are: ** These exceptions must be memorized! ** a) the diatomic gases: H O F Br I N Cl

hydrogen H2(g) oxygen O2(g)

nitrogen N2(g) chlorine Cl2(g)

fluorine F2(g) bromine Br2(l)

iodine I2(s)

b) two other non-metals: sulphur S8(s) phosphorus P4(s)

Common Radicals or Polyatomic Ions

Radicals or polyatomic ions are groups of atoms that are treated as a single entity when writing formulas and names. The following list of common radicals (polyatomic ions) must be memorized along with their valences. Positive polyatomic ions replace metals in an ionic compound and a negatively charged polyatomic ion goes in place of the non-metal. If more than 1 of the radical is required in the chemical formula, brackets are placed around the radical’s formula with the subscript outside the bracket.

Radical name Formula (aq) Valence Radical name Formula(aq) Valence

hydroxide OH- 1 ammonium NH4+ 1

cyanide CN- 1 permanganate MnO4- 1

chromate CrO42- 2 dichromate Cr2O7

2- 2

cyanate CNO- 1 thiocyanate SCN- 1

carbonate CO32- 2 nitrate NO3

- 1

phosphate PO43-

3 sulfate SO42-

2

fluorate FO3- 1 chlorate ClO3

- 1

acetate C2H3O2- 1

Examples: sodium hydroxide NaOH potassium chromate K2CrO4 Exercise: For all exercises give the name if the formula is provided and the formula if the name is provided. potassium hydroxide ____KOH_______

iron(III) cyanate ____Fe(CNO)3___

barium hydroxide ____Ba(OH)2____

ammonium chloride ____NH4Cl______

copper(II) chromate ____CuCrO4_____

ammonium dichromate __(NH4)2Cr2O7___

ammonium chlorate ____NH4ClO3____

ferrous hydroxide ____Fe(OH)2____

nickel(III) cyanide ____Ni(CN)3____

auric bromide ____AuBr3_____

cobalt(II) cyanate ____Co(CNO)2___

zinc hydroxide ____Zn(OH)2____

Ga2(Cr2O7)3 _____gallium dichromate________

KCNO _____potassium cyanate_________

(NH4)2SO4 _____ammonium sulphate_______

BaCO3 _____barium carbonate_________

CuCr2O7 _____copper (II) dichromate______

Sn(CN)4 _tin (IV) cyanide or stannic cyanide_

Fe(FO3)3 _iron (III) fluorate or ferric fluorate_

Al(OH)3 _____aluminum hydroxide________

KMnO4 _____potassium permanganate____

CsCN _____cesium cyanide____________

Fe(OH)2 iron (II) hydroxide or ferrous hydroxide

Ca(SCN)2 _____calcium thiocyanate________


W5

Practice!! This section has everything that has been covered so far.

calcium fluoride _____CaF2_____

aluminum iodide _____AlI3______

argon _____Ar (g)_____

silver oxide _____Ag2O_____

auric sulphide _____Au2S3_____

lithium phosphide _____Li3P______

copper (I) oxide _____Cu2O_____

ammonium chromate __(NH4)2CrO4___

cuprous iodide _____CuI_______

sulfur _____S8 (s)______

ferric chloride _____FeCl3_____

hydrogen cyanide _____HCN_____

stannic fluoride _____SnF4_____

copper (II) permanganate __Cu(MnO4)2___

lead (II) iodide ____PbI2_______

calcium selenide ____CaSe______

tin (II) sulfide ____SnS_______

stannous thiocyanate __Sn(SCN)2_____

cobalt (III) chloride ____CoCl3______

plumbic sulfide ____PbS2______

mercury (I) cyanate ___Hg2(CNO)2__

calcium nitride ____Ca3N2_____

neon gas ____Ne (g)______

iron (III) hydroxide ____Fe(OH)3____

bromine ____Br2 (l)______

antimony (III) bromide ____SbBr3_____

potassium permanganate ____KMnO4____

barium oxide ____BaO_______

manganese (II) cyanide ___Mn(CN)2____

cupric dichromate ___CuCr2O7_____

mercurous bromide ____Hg2Br2_____

zinc phosphate ____Zn3(PO4)2___

aluminum oxide _____Al2O3_____

KOH ______potassium hydroxide______

MgF2 ______magnesium fluoride_______

P4 (s) ______phosphorus______________

Sr(OH)2 ______strontium hydroxide______

CsCNO ______cesium cyanate___________

(NH4)3P ______ammonium phosphide_____

Au2S3 _gold (III) sulfide or auric sulfide___

Ca3As2 _______calcium arsenide_________

Ga2(CO3)3 _______gallium carbonate________

LiSCN _______lithium thiocyanate______

PbF2 _lead (II) fluoride or plumbous fluoride_

MgCr2O7 _______magnesium dichromate___

AgNO3 __________silver nitrate_________

Zn(OH)2 ________zinc hydroxide_________

PtO2 _platinum (IV) oxide or platinic oxide_

Xe (g) __________xenon gas___________

Sb2O3 _anitmony (III) oxide or antimonic oxide_

Ga2Se3 _______gallium selenide_________

BeI2 _______beryllium iodide_________

Pt(SO4)2 _platinum (IV) sulfate or platinic sulfate_

Pb3N4 _lead (IV) nitride or plumbic nitride_

Sn(MnO4)2 tin (II) permanganate or stannous permanganate

FeP _iron (III) phosphide or ferric phosphide_

Na2O _______sodium oxide___________

RbCNO _______rubidium cyanate________

Ni(FO3)2 _nickel (II) fluorate or nickelous fluorate_

CoN _cobalt (III) nitride or cobaltic nitride_

Cl2 (g) _________chlorine gas __________

K2S ________potassium sulfide_______

CrI3 _chromium (III) iodide or chromic iodide_

Bi3N5 _bismuth (V) nitride or bismuthic nitride_

Ba2C ________barium carbide_________

Fr2O _______francium oxide__________


W6

Acids

There are three groups of acids: 1. binary acids 2. oxy acids 3. derived oxy acids

1. Binary Acids This is a very small but common group of acids. The following rules apply to all of the members.

1. All have the prefix “hydro” and end with “ic”. 2. All must contain hydrogen as the first element. 3. Use the normal cross-over-rule to determine the formula. 4. All are made by dissolving the gas in water and must be so indicated by using (aq) behind the formula. 5. Have no oxygen in their formula

Examples: hydrochloric acid HCl(aq) hydrosulfuric acid H2S(aq) hydrocyanic acid HCN(aq)


hydrobromic acid __HBr(aq)__

hydroiodic acid __ HI(aq)___

hydrotelluric acid ___H2Te(aq)_

hydroselenic acid ___ H2Se(aq)_

hydrofluoric acid ___ HF(aq)__

hydrosulfuric acid ___ H2S(aq)__

2. Oxy Acids

This is a larger group of acids. They are alike in that they all contain H, O and at least one other non-metal element. All members of this group of acids follow the rules below.

1. The name of the acid ends in “ic”. 2. The name of the associated radical ends in “ate”. 3. The valence value of the associated radical is equal to the number of acidic hydrogens in the acid. 4. Since these acids are made by reacting a non-metal oxide with water, (aq) is not required but may be used.

The following 6 oxy acids and their associated radicals along with their valences must be memorized.

Name of the Acid Formula of the Acid

(aq)

Name of the

associated radical

Formula of the

associated radical

(aq)

valence value for the

associated radical

acetic acid HC2H3O2 acetate C2H3O2- 1

nitric acid HNO3 nitrate NO3- 1

fluoric acid HFO3 fluorate FO3- 1

carbonic acid H2CO3 carbonate CO32- 2

sulfuric acid H2SO4 sulfate SO42- 2

phosphoric acid H3PO4 phosphate PO43- 3

NOTE:

Using the periodic table it is possible to write the names and formulas for a number of other oxy acids using the fact that members of the same chemical family have similar chemical properties. Elements of the same chemical family (group) follow the pattern of the memorized oxy acid immediately above the element of interest.

Example: memorized acid: fluoric acid = HFO3 therefore: chloric acid = HClO3 iodic acid = HIO3 bromic acid = HBrO3

If hydrogen is joined with the radicals learned earlier a few more acids can be formed.

chromate = CrO42- chromic acid = H2CrO4 cyanate = CNO- cyanic acid = HCNO


W7

Exercise: Complete the following chart for the acids listed.

Name of the acid Formula of the acid

(aq)

Name of the

associated radical

Formula of the

associated radical( aq)

Valence value of

the associated

radical

fluoric acid HFO3 fluorate FO31-

1

chloric acid HClO3 chlorate ClO31- 1

bromic acid HBrO3 bromate BrO31-

1

iodic acid HIO3 iodate IO31- 1

sulfuric acid H2SO4 sulfate SO42-

2

selenic acid H2SeO4 selenate SeO42-

2

telluric acid H2TeO4 tellurate TeO42- 2

chromic acid H2CrO4 chromate CrO42- 2

molybdenic acid H2MoO4 molybdenate MoO42-

2

tungstic acid H2WO4 tungstate WO42- 2

dichromic acid H2Cr2O7 dichromate Cr2O72- 2

manganic acid HMnO3 manganate MnO3- 1

cyanic acid HCNO cyanate CNO1- 1

carbonic acid H2CO3 carbonate CO32-

2

silicic acid H2SiO3 silicate SiO32-

2

phosphoric acid H3PO4 phosphate PO43- 3

arsenic acid H3AsO4 arsenate AsO43- 3

3. Derived Oxy Acids

Theses acids are all derived from the parent oxy acids which you are to memorize. The table below shows the rule to determine the derived oxy acids from the parent acid. When adding or removing oxygen atoms from the parent acid, the number of hydrogens on the acid and the valence of the associated radical remain the same as the parent.

Type of Acid Associated Radical Example

Parent Oxy Acid + 1 O per______ic per______ate perchloric acid HClO4 perchlorate ion ClO4-

Parent Oxy Acid ic ate chloric acid HClO3 chlorate ion ClO3-

Parent Oxy Acid - 1 O ous ite chlorous acid HClO2 chlorite ion ClO2-

Parent Oxy Acid - 2 O hypo_____ous hypo_____ite hypochlorous acid HClO hypochlorite ion ClO-


W8

Exercise: Complete the following chart for the acids listed.

Name of the acid Formula of the acid

(aq)

Name of the

associated radical

Formula of the

associated radical

(aq)

Valence value of the

associated radical

phosphoric acid H3PO4 phosphate PO4

3- 3

phosphorous acid H3PO3 phosphite PO3

3- 3

hypophosphorous acid H3PO2 hypophosphite PO2

3- 3

sulfuric acid H2SO4 sulfate SO4

2- 2

sulfurous acid H2SO3 sulfite SO3

2- 2

nitric acid HNO3 nitrate NO3

1- 1

nitrous acid HNO2 nitrite NO2

1- 1

perchloric acid HClO4 perchlorate ClO4

1- 1

chloric acid HClO3 chlorate ClO3

1- 1

chlorous acid HClO2 chlorite ClO2

1- 1

hypochlorous acid HClO hypochlorite ClO1- 1

selenic acid H2SeO4 selenate SeO4

2- 2

selenous acid H2SeO3 selenite SeO3

2- 2

telluric acid H2TeO4 tellurate TeO4

2- 2

tellurous acid H2TeO3 tellurite TeO3

2- 2

permanganic acid HMnO4 permanganate MnO4

1- 1

manganic acid HMnO3 manganate MnO3

- 1

Salts

The word, salt, is the general term given to a class of compounds which can be formed when an acid and a base neutralize each other. According to this definition then, most of the compounds dealt with in the section on binary compounds could be considered to be salts formed from a base and a binary acid. In the same manner, salts are formed from a base and an oxy acid or derived oxy acid.

Examples: sodium sulphate Na2SO4 calcium phosphate Ca3(PO4)2

aluminum carbonate Al2(CO3)3 zinc perchlorate Zn(ClO4)2 cupric nitrite Cu(NO2)2 stannous hypoiodite Sn(IO)2


W9


Salts from oxy acids

sodium nitrate ____NaNO3_____

iron(III) acetate ___Fe(C2H3O2)3__

aluminum silicate ___Al2(SiO3)3____

magnesium phosphate ___Mg3(PO4)2___

aurous sulfate ___Au2SO4_____

ammonium chlorate ___NH4ClO3_____

zinc nitrate ___Zn(NO3)2____

potassium acetate ___KC2H3O2_____

lithium chromate ___Li2CrO4_____

calcium tungstate ___CaWO4_____

ferric sulfate ___Fe2(SO4)3____

gold (I) phosphate ___Au3PO4_____

magnesium chlorate ___Mg(ClO3)2___

ammonium nitrate ___NH4NO3____

lithium molybdenate ___Li2MoO4____

Pb(WO4)2 _lead (IV) tungstate or plumbic tungstate_

NaClO3 ______sodium chlorate__________

GaAsO4 ______gallium arsenate__________

CaSeO4 ______calcium selenate__________

Mg3(AsO4)2 ______magnesium arsenate______

K2CO3 ______potassium carbonate______

Na3PO4 ______sodium phosphate________

CuSiO3 _copper (II) silicate or cupric silicate_

Pb(CrO4)2 _lead (IV) chromate or plumbic chromate_

Fe(ClO3)2 _iron (II) chlorite or ferrous chlorite_

Cr(BrO3)2 _chromium (II) bromate or chromic bromate_

Al(C2H3O2)3 ______aluminum acetate_________

SnTeO4 _tin (II) tellurate or stannous tellurate_

NH4IO3 _______ammonium iodate_______

Zn3(PO4)2 _______zinc phosphate__________

Salts from Derived Oxy Acids

aluminum sulfite ___Al2(SO3)3____

cobalt(III) chlorite ___Co(ClO2)3____

tin(IV) hypochlorite ___Sn(ClO)4____

sodium phosphite ___Na3PO3_____

aluminum nitrite ___Al(NO2)3____

cobalt(II) hypophosphite __Co3(PO2)2____

stannic perchlorate __Sn(ClO4)4_____

sodium sulphite ___Na2SO3_____

aluminum chlorite ___Al(ClO2)3____

nickel(III) hypochlorite ___Ni(ClO)3____

tin(IV) phosphite ___Sn3(PO3)4___

copper(I) permanganate ___CuMnO4____

ammonium hypophosphite ___(NH4)3PO2_____

mercuric perchlorate ___Hg(ClO4)2____

magnesium sulfite ___MgSO3_____

CaSeO3 ______calcium selenite__________

Na2CO2 ______sodium carbonite_________

Ba(IO2)2 ______barium iodite____________

Ni2(TeO2)3 _nickel (III) hypotellurite

NaBrO _______sodium hypobromite_____

LiNO2 _______lithium nitrite___________

Au(NO2)3 _gold (III) nitrite or auric nitrite____

NH4ClO4 ______ammonium perchlorate____

Ga(BrO4)3 ______gallium perbromate_______

Pt(ClO)4 _platinum (IV) hypochlorite or platinic hypochlorite_

Zn(MnO4)2 _______zinc permanganate__________

Ag2SO2 _______silver hyposulphite_______

FeWO2 iron (II) hypotungstite or ferrous hypotungstite

K2MnO4 _______potassium manganate____

(NH4)3PO2 ___ammonium hypophosphite____


W10


calcium fluoride _____CaF2______

aluminum hydroxide ____Al(OH)3_____

sulfuric acid ____H2SO4______

chromium (II) iodite ____Cr(IO2)2_____

stannous fluoride ____SnF2_______

ammonium hypobromite ____NH4BrO____

aurous cyanide ____AuCN______

mercury (II) sulfite ____HgSO3_____

manganic oxide ____Mn2O3_____

hydrofluoric acid ____HF (aq)______

carbonic acid ____H2CO3______

calcium sulfate ____CaSO4______

zinc hydroxide ____Zn(OH)2____

strontium dichromate ____SrCr2O7____

lithium hypoiodite ____LiIO_______

magnesium silicate ____MgSiO3____

zinc phosphide ____Zn3P2______

barium hydride ____BaH2_______

potassium permanganate ____KMnO4_____

sodium chromate ____Na2CrO4____

plumbic cyanate ____Pb(CNO)4___

lead (IV) thiocyanate ____Pb(SCN)4___

potassium cyanide ____KCN_______

sodium nitrite ____NaNO2_____

fluorine ____F2 (g)_______

cobalt (II) sulfite ____CoSO3______

plumbic chromite ____Pb(CrO3)2___

zinc hypophosphite ____Zn3(PO2)2___

nitrous acid ____HNO2 (aq)____

BaSiO3 ______barium silicate____________

Ni3N2 ______ nickel (II) nitride __________

H2Se (aq) ______hydroselenic acid__________

Na3PO4 ______sodium phosphate_________

Sn3P4 _tin (IV) phosphide or stannic phosphide_

NH4OH ______ammonium hydroxide______

AgNO3 _______silver nitrate____________

Mg(MnO4)2 _______magnesium permanganate___

CaClO2 _______calcium chlorite_________

Sr(IO3)2 _______strontium idodate________

BeSeO3 _______beryllium selenite________

S8 (s) __________sulfur solid___________

PbS2 _lead (IV) sulfide or plumbic sulfide_

Fe(MnO4)2 iron (II) permanganate or ferrous permanganate

SrCrO4 _______strontium chromate______

P4 (s) ________phosphorus solid_______

Zn3(PO4)2 _______zinc phosphate__________

H2 (g) _________hydrogen gas_________

CaCO3 _______calcium carbonate_______

SbBr3 _antimony (III) bromide or antimonous bromide_

AgIO _______silver hypoiodite_________

SnO2 ___tin (IV) oxide or stannic oxide__

H3PO2 (aq) _____hypophosphorous acid______

PbWO4 _lead (II) tungstate or plumbous tungstate_

H2S (aq) _______hydrosulphuric acid______

Mg(NO2)2 _______magnesium nitrite___

H2SeO3 (aq) _______selenous acid___________

AlAsO2 _____aluminum hypoarsenite_____

N2 (g) _______nitrogen gas____________


W11

Acid Radicals and Acid Salts

1. Acid Radicals In certain circumstances the oxy acids with multiple acidic hydrogens are able to lose the hydrogens one at a time. This results in radicals with acidic hydrogens still attached which are referred to as acid radicals.

Step 1: H3PO4 (aq) H+ (aq)+ H2PO4-(aq) Step 2: H2PO4

-(aq)

H+ (aq)+ HPO4

2-(aq) Step 3: HPO4

2- (aq) H+(aq) + PO4

3-(aq)

Radical Name Valence PO4

3-(aq) Phosphate 3

HPO42-

(aq) monohydrogenphosphate 2 H2PO4

-(aq) dihydrogenphosphate 1

Notes:

a) valence = # of hydrogen removed from the acid OR valence of non-acid radical-# of H’s still attached b) mono may be left off a monohydrogen acid radical c) for oxy acids with 2 acidic hydrogens (diprotic acids), the prefix “bi” may be used in place of monohydrogen

(eg. HCO3- can be named as bicarbonate or monohydrogen carbonate)

Exercise:

For the following give the formula and valence value of the radicals listed: All radicals are aqueous

phosphite ___PO33-____ __3__

monohydrogenphosphite ___HPO32-___ __2__

dihydrogenphosphite __H2PO31-___ __1__

arsenate ___AsO43-___ __3__

monohydrogenarsenate __ HAsO42-__ __2__

dihydrogenarsenate __H2AsO41-__ __1__

sulphate ____SO42-___ __2__

monohydrogensulphate ___HSO41-___ __1__

carbonate ____CO32-___ __2__

monohydrogencarbonate ___HCO31-___ __1__

chromate ___CrO42-___ __2__

monohydrogechromate ___HCrO41-__ __1__

2. Acid Salts

The acid radicals are treated just like any other radical.

Examples:

calcium dihydrogenhypophosphite Ca(H2PO2)2 potassium monohydrogen carbonate KHCO3

aluminum bisulphite Al(HSO3)3 sodium hydrogensulfate NaHSO4


sodium monohydrogenphosphate ___Na2HPO4___

magnesium dihydrogenphosphate __Mg(H2PO4)2__

aluminum dihydrogenphosphite ___Al(H2PO3)3__

chromium(III) hydrogenphosphite __Cr2(HPO3)3___

cupric monohydrogenarsenate __CuHAsO4____

stannic dihydrogenhypophosphite __Sn(H2PO2)4___

potassium monohydrogenselenite ___KHSeO3____

ferric monohydrogensulphate __Fe(HSO4)3___

ammonium bicarbonate __NH4HCO3____

Sn(HCO2)2 tin(II) hydrogencarbonite or stannous bicarbonite

Li2HPO3 ___lithium hydrogenphosphite_____

Ni(HSiO3)2 nickel (II) bisilicate or nickelous hydrogensilicate

CaHPO2 _calcium hydrogenhypophosphite__

KH2AsO3 __potassium dihydrogenarsenite__

Ba(HCrO4)2 barium hydrogenchromate or barium bichromate

BeHPO3 ___beryllium hydrogenphosphite___

Pb(HSeO4)2 lead (II) hydrogenselenate or plumbous

bisulfate

Cr(HSO3)3 chromium (III) bisulfite or chromic hydrogensulfite


W12

Hydrates

Hydrates are crystals containing a given number of water molecules within their structure. When naming a hydrate Greek prefixes in front of the word hydrate are used to indicate the number of water molecules into the crystal. In the chemical formula the number of water molecules is separated from the formula of the compound by a dot “∙”

Examples:

copper(II) sulfate pentahydrate CuSO4 ∙ 5 H2O chlorine octahydrate Cl2 ∙ 8 H2O

Exercise:

For all exercises you will give the name if formula provided and the formula if the name is provided.

calcium sulfate dihydrate ______________

magnesium sulfite heptahydrate ______________

sodium carbonate decahydrate ______________

aluminum oxide monohydrate ______________

ferric chloride hexahydrate ______________

calcium nitrate trihydrate ______________

cadmium bromide tetrahydrate ______________

chromium(III) nitrate nonahydrate ______________

cobalt(II) perchlorate pentahydrate ______________

barium chloride dihydrate ______________

Al(NO3)3 ∙ 2 H2O _aluminum nitrate dihydrate_

Br2 ∙ 10 H2O ____bromine decahydrate_____

Cu(BrO3)2 ∙ 6 H2O copper (II) bromate hexahydrate or “ic”

CoCl2 ∙ 3 H2O _cobalt (II) chloride trihydrate or “ous”_

CaCl2 ∙ 2 H2O __calcium chloride dihydrate___

Pb(C2H3O2)2 ∙ 3 H2O _lead (II) acetate trihydrate or “ous”_

AlCl3 ∙ 6 H2O _aluminum chloride hexahydrate_

ZnCl2 ∙ 6 H2O ___zinc chloride hexahydrate__

I2 ∙ 4 H2O ___iodine tetrahydrate____

Na2SO4 ∙ 10 H2O __sodium sulfate decahydrate__

Peroxides

These are binary oxides, which contain an extra oxygen atom.

Rules: 1. Write the formula of the regular oxide. Na2O H2O CaO 2. Add on one extra oxygen atom. Na2O2 H2O2 CaO2 3. Do not at this stage cancel any of the subscripts.


zinc peroxide ____ZnO2______

calcium peroxide ____CaO2______

cesium peroxide ___Cs2O2_______

copper(II) peroxide ___CuO2_______

magnesium peroxide ___MgO2________

potassium peroxide ____K2O2________

strontium peroxide ____SrO2_______

hydrogen peroxide ____H2O2_______

barium peroxide ____BaO2_______

aluminum peroxide ____Al2O4_______

PbO3 _lead (IV) peroxide or plumbic peroxide_

Ga2O4 ______gallium peroxide__________

Cu2O2 _copper (I) peroxide or cuprous peroxide_

PtO3 _platinum (IV) peroxide or platinic peroxide_

BeO2 ________beryllium peroxide______

Ag2O2 ______silver peroxide____________

ZnO2 ______zinc peroxide_____________

CrO2 _chromium (II) peroxide or chromous peroxide_

Au2O2 _gold (I) peroxide or aurous peroxide_

SnO3 _tin (IV) peroxide or stannous peroxide_


W13

Thio Compounds

The prefix “thio” in the name indicates that an oxygen atom has been replaced by a sulphur atom.

Examples: potassium sulphate K2SO4 potassium thiosulphate K2S2O3 sodium carbonate Na2CO3 sodium thiocarbonate Na2SCO2 potassium cyanate KCNO potassium thiocyanate KSCN


ammonium thiocyanate ____NH4CNO____

sodium hydrogenthiosulphate ____NaHS2O3____

potassium thiosulfate ____K2S2O3______

aluminum thiocarbonate ____Al2(SCO2)3___

magnesium thiohypophophite ____Mg3(SPO)2___

ammonium thiophosphate ___(NH4)3SPO3___

tin(II) thiobromate ___Sn(SBrO2)2___

chromic thioselenite __Cr2(SSeO2)3____

zinc thioarsenate __Zn2(SAsO3)2___

BaHSPO __barium thiohypophosphite______

CoS2O3 ∙ 8 H2O cobalt (II) thiosulfate octahydrate or “ous”

BeSTeO2 ___beryllium thiotellurite_________

PbS2O2 _lead(II) thiosulfite or plumbous thiosulfite_

Ag3SPO2 ____silver thiophosphite_________

CuHSCO _copper (I) bithiocarbonite or “ous”_

CaS2O2 ______calcium thiosulfite________

CsHSSeO2 _cesium hydrogenthioselenite or “bi”_

AlSPO3 ____aluminum thiophosphate____


sodium chloride _____NaCl_____

silver chlorate _____AgClO3____

calcium perbromate ____Ca(BrO4)2___

barium phosphide ______Ba3P2____

nickel (II) cyanide _____Ni(CN)2____

cesium peroxide _____Cs2O2_____

beryllium phosphate ____Be3(PO4)2___

zinc sulfite ____ZnSO3_____

calcium thiocarbonate ____CaSCO2____

cesium bromide _____CsBr______

iodine monohydrate ____I2 · H2O_____

stannic carbide _____SnC2______

mercuric hydroxide _____Hg(OH)2___

potassium bisulfate _____KHSO4____

hypocarbonous acid ____H2CO2 (aq)___

cupric perchlorate ___Cu(ClO4)2____

gold (III) selenite ___Au2(SeO3)2___

stannous phosphide ____Sn3P2______

antimony (V) oxide ____Sb2O5______

CaF2 ______calcium fluoride__________

H3PO4 ______phosphoric acid__________

Ag2O ______silver oxide______________

NaIO3 ______sodium iodate____________

ZnCO3 ______zinc carbonate____________

NH4OH ______ammonium hydroxide______

Ca3(PO2)2 ______calcium phosphite_________

HI (aq) ______hydroiodic acid_________

Pb(OH)2 _lead (II) hydroxide or plumbous hydroxide_

Hg(ClO2)2 _mecury (II) chlorite or mercuric chlorite_

SnO _tin (II) oxide or stannous oxide_

As2O5 _arsenic (V) oxide or arsenic oxide_

Fe2(HPO4)3 _iron(III) hydrogenphosphate or “ic”_

NaBrO ___sodium hypobromite__________

Zn(IO)2 ____zinc hypoiodite______________

SnCl4 _tin (IV) chloride or stannic chloride_

MgSeO3 _____magnesium selenite_________

Cd(BrO2)2 ____cadmium bromite___________

HNO2 (aq) ______nitrous acid______________


W14

hydroiodic acid _____HI (aq)______

cupric dihydrogenphosphite ___Cu(H2PO3)2____

cupric sulfate pentahydrate __CuSO4 · 5 H2O__

zinc monohydrogentellurite ___Zn(HTeO3)2____

hydrocyanic acid _____HCN (aq)_____

lithium hypofluorite ______LiFO______

magnesium silicate _____MgSiO3____

potassium sulfide ______K2S______

hydrofluoric acid _____HF(aq)______

lithium hydrogensulfate _____LiHSO4_____

magnesium hypochlorite ____Mg(ClO)2____

calcium peroxide _____CaO2______

sodium bicarbonate ____NaHCO3____

manganese (III) oxide _____Mn2O3____

potassium oxide _____K2O______

barium sulfide _____BaS______

magnesium fluoride heptahydrate _MgF2 · H2O__

dichromic acid ___H2Cr2O7 (aq)__

mercurous thiobromite ___Hg2(SBrO)2__

zinc hydride dihydrate __ZnH2 · 2 H2O__

perchloric acid ____HClO4 (aq)__

strontium chloride _____SrCl2______

silver sulfide _____Ag2S______

ferric thiosulfite _____FeS2O2____

chlorous acid ____HClO2_____

argon gas _____Ar (g)______

nickelic bicarbonite ___Ni(HCO2)3____

lead (IV) nitride _____Pb3N4_____

cupric chloride trihydrate __CuCl2 · 3 H2O__

sulfurous acid ____H2SO3 (aq)___

aluminum nitride _____AlN______

stannous hypoiodite ____Sn(IO)2_____

lead (II) bicarbonite ___Pb(HCO2)2____

chromium (III) bisulfite ___Cr(HSO3)3____

platinic peroxide ______PtO3_____

S8 (s) ___________sulfur solid__________

BaCl2 ∙ 3 H2O _____barium chloride trihydrate___

H2CrO4 _______chromic acid____________

Sn3(AsO2)4 _tin (IV) arsenite or stannis arsenite_

CoI3 ∙ 10 H2O _cobalt (III) iodide decahydrate or “ic”_

ZnCO3 ________zinc carbonate__________

KBr _______potassium bromide_______

(NH4)2SO3 ______ammonium sulphite_______

CsH ______cesium hydride___________

NiBr2 _nickel (II) bromide or nickelous bromide_

KMnO4 ______potassium permanganate_____

Al2(TeO2)3 _____aluminum hypotellurite _____

HFO _____hypoflourous acid__________

Ga(OH)3 ______gallium hydroxide_________

Ba3(PO3)2 ______barium phosphite_________

KBrO4 _____potassium perbromate______

Pb(C2H3O2)4 _lead (IV) acetate or plumbic acetate_

P4 (s) ________phosphorus solid________

H2S ______hydrogen sulfide__________

HNO3 ___________nitric acid___________

Mg3N2 _______magnesium nitride_______

Na2S2O2 ______sodium thiosulfite_________

NiN _nickel (III) nitride or nickelic nitride_

Br2 (l) _________bromine liquid_________

LiNO2 __________lithium nitrite_________

HC2H3O2 _________acetic acid____________

SrH2 ∙ 6 H2O __strontium hydride hexahydrate__

AgNO3 _________silver nitrate_________

BaSiO3 ________barium silicate_________

CoO _cobalt (II) oxide or cobaltous oxide_

(NH4)2CrO4 ________ammonium chromate____

H2MnO4 (aq) ________manganic acid________

Au2(HAsO3)3 _gold (III) hydrogenarsenite or “ic”_

ZnSSiO2 ________zinc thiosilicite_________

KOH _______potassium hydroxide______


W15

Molecular Compounds

These compounds contain 2 non-metals and are named using Greek prefixes. This method does not use the valence values. The Greek prefix is placed in front of the element name to indicate how many atoms of the element to place in the formula. If there is only 1 atom of the first element, mono is not used on the name of the first element.

Prefixes

1 = mono 2 = di 3 = tri 4 = tetra 5 = penta 6 = hexa 7 = hepta 8 = octa 9 = nona 10 = deca

Examples:

diphosphorus pentoxide P2O5 carbon monoxide CO

arsenic trichloride AsCl3 xenon tetrafluoride XeF4


xenon hexafluoride ____XeF6______

sulfur dioxide _____SO2______

sulphur trioxide _____SO3______

carbon dioxide _____CO2______

carbon disulphide _____CS2_______

diphosphorus trisulfide ____P2S3_______

silicon dioxide ____SiO2_______

carbon tetrachloride ____CCl4_______

tellurium dioxide ____TeO2______

sulfur dioxide ____SO2_______

nitrogen dioxide ____NO2_______

nitrogen tetroxide ____N2O4______

selenium dibromide ____SeBr2______

carbon tetrabromide ____CBr4_______

dinitrogen monoxide ____N2O_______

bromine trifluoride ____BrF3_______

dichlorine monoxide ____ClO2_______

dinitrogen tetrafluoride ____N2F4_______

diarsenic triselenide ____As2Se3_____

diphosphorus pentasulphide ____P2S5_______

hexaboron monosilicide ____B6Si_______

dioxygen difluoride ____O2F2_______

sulfur dichloride ____SCl2_______

ditellurium monocarbide ____Te2C_______

dinitrogen tetrahydride ____N2H4_______

CF4 _______carbon tetrafluoride_____

AsH3 ________arsenic trihydride_______

PBr3 _____phosphorus tribromide_____

B2Si ______diboron monosilicide______

NF3 ________nitrogen trifluoride_____

Si2Br6 ______disilicon hexabromide_____

AsI5 ________arsenic pentaiodide_____

C2H6 _______dicarbon hexahydride____

SI6 ________sulphur hexaiodide______

XeCl4 _______xenon tetrachloride______

TeO2 ________tellurium dioxide_______

PI5 ____phosphorus pentaiodide_____

CS2 _________carbon disulphide______

KrF2 _________krypton difluoride______

N2O3 ________dinitrogen trioxide______

ICl ______iodine monochloride______

SeCl2 _______selenium dichloride______

ICl7 ______iodine heptachloride______

NF3 ______nitrogen trifluoride_______

P4S5 ___tetraphosphorus pentasulfide__

N2O5 _______dinitrogen pentoxide_____

P2O3 _____diphosphorus trioxide______

C3H8 ______tricarbon octahydrate_____

P2Se5 ___diphosphorus pentaselenide___

TeO _______tellurium monoxide______


W16

PRACTICE, PRACTICE, PRACTICE This section contains everything covered in this unit.

sulphur _____S8 (s)_______

plumbous peroxide _____PbO2______

calcium iodite ____Ca(IO2)2_____

sulfur dioxide _____SO2_______

gallium hypoarsenite ____GaAsO2_____

neon ______Ne (g)_____

platinum (IV) thiocarbonite ____PtSCO______

calcium cyanide heptahydrate __CaCN · 7 H2O__

cuprous permanganate ____CoMnO4____

chromous acid ____H2CrO4_____

cyanic acid ____HCNO______

iodine monochloride _____ICl________

stannic dihydrogen hypophosphite_Sn(H2PO2)4___

auric peroxide _____Au2O4_____

ammonium selenide ____(NH4)2Se____

titanium ______Ti (s)______

ferrous thiosilicate ____FeSSiO2_____

cadmium bisulphate ___Cd(HSO4)2____

lithium phosphide _____Li3P_______

bromine _____Br2 (l)______

potassium oxide _____K2O_______

barium sulfide _____BaS_______

magnesium fluoride _____MgF2______

mercurous bromide ____Hg2Br2______

zinc hydride ____ZnH2_______

ferric sulfide ____Fe2S3_______

arsenic (V) oxide ____As2O5______

lead (IV) nitride ____Pb2N4______

cupric chloride ____CuCl2______

stannous iodide ____SnI2_______

aluminum nitride ____AlN________

antimonous bromide ____SbBr3______

tin (IV) sulfide ____SnS2_______

PbS2O2 _lead (II) thiosulfite or plumbous thiosulfite_

MgO2 ________magnesium peroxide_____

Al2(SO2)3 _____aluminum hyposulfite_______

Au(MnO4)3 _gold (III) permanganate or auric permanganate_

BrCl5 ______bromine pentachloride_____

Ba(FO)2 ______barium hypofluorite_______

ZnHAsO4 ____zinc hydrogenperarsenate____

Co(NO3)3 _cobalt (III) nitrite or cobaltic nitrite_

HgSCO _mercury (II) thiocarbonite or “ic”_

H2S (aq) _________hydrosulfuric acid______

SrCl2∙8 H2O __strontium chloride octahydrate__

MnP _manganese (III) phosphide or “ic”_

Cr(H2PO3)3 chromium (III) dihydrogenphosphite or “ic”

K2O2 _______potassium peroxide_______

Al(ClO4)3 ______aluminum perchlorate_____

Ga2(SiO3)3 ______gallium silicate____________

P2S3 ______diphosphorus trisulfide_____

HNO3 (aq) ___________nitric acid___________

FeCr2O7 _iron (II) dichromate or ferrous dichromate_

CuSO4∙5H2O _copper (II) sulfate pentahydrate or “ic”_

H2SeO3 (aq) __________selenous acid________

CaCr2O7 _________calcium dichromate_____

P2O5 _____diphosphorus pentoxide_____

Cr(BrO)2 _chromium (II) hypobromite or “ous”_

MgO2 _______magnesium peroxide______

Al2O4 ________aluminum peroxide______

HI (aq) _________hydroiodic acid________

Au2(HAsO3)3 · 9 H2O gold(III) hydrogenarsenite nonahydrate or “ic”

SO3 __________sulfur trioxide________

Li2SCO2 ______lithium thiocarbonite______

Sr3N2 · 3 H2O ____strontium nitride trihydrate___

(NH4)2SiO2 ______ammonium silicite________

H2Te (aq) ______hydrotelluric acid_________


W17

silver oxide _____Ag2O______

calcium phosphide _____Ca3P2______

iron (II) sulfide _____FeS_______

arsenic phosphide _____AsP_______

mercury (II) nitride _____Hg3N2_____

tin (IV) fluoride _____SnF4______

sodium hydride _____NaH______

sodium monohydrogenphosphate __Na2HPO4___

barium hydroxide ____Ba(OH)2____

sodium bicarbonate _____NaHCO3___

perchloric acid _____HClO4 (aq)__

nitrous acid _____HNO2_____

strontium peroxide ______SrO2_____

plumbous oxide ______PbO_____

potassium chloride ______KCl______

hydrogen iodide ______HI_______

antimonous phosphide _____SbP______

silver sulfide _____Ag2S______

mercuric oxide _____HgO______

phosphorus (III) chloride _____PCl3______

ferrous oxide _____FeO______

magnesium tellurite ___MgTeO3_____

zinc chromate dihydrate _ZnCrO4 · 2 H2O_

phosphorous acid ____H3PO3_____

chromic cyanide ____Cr(CN)3____

sodium thiosulfate hexahydrate _NaS2O3 · 6 H2O_

iron (III) carbonate ___Fe2(CO3)3____

magnesium phosphide ____Mg3P2_____

fluorine _____F2 (g)______

chlorous acid ____HClO2_____

dicarbon tetrahydride _____C2H4______

hydrosulfuric acid ____H2S (aq)_____

stannous tungstate ____SnWO4_____

calcium peroxide _____CaO2______

ammonium hydrogenhypophosphite _(NH4)2HPO2_

P2O5 _____diphosphorus pentoxide___

Sn(SO4)2 _tin (IV) sulfate or stannic sulfate__

FePO4 _iron (III) phosphate or ferric phosphate_

K3N ________potassium nitride_______

SO2 ________sulfur dioxide___________

CuOH _copper (I) hydroxide or cuprous hydroxide_

Zn(NO2)2 _________zinc nitrite____________

Au2S3 _gold (III) sulfide or auric sulfide_

NaOH _______sodium hydroxide_______

H2SO3 ________sulfurous acid__________

H2S _______hydrogen sulfide_________

H3PO4 _______phosphoric acid________

NH3 _nitrogen trihydride or ammonia_

HCN _________hydrogen cyanide______

Ca(OH)2 _______calcium hydroxide________

Fe(OH)3 _iron (III) hydroxide or ferric hydroxide_

H3P __trihydrogen monophosphide____

Na2CO3 _______sodium carbonate________

P2O5 ______diphosphorus pentoxide____

CH4 ______carbon tetrahydride_______

FeSO4 _iron (II) sulfide or ferrous sulfide_

SiO2 _________silicon dioxide________

GaCl3 _________gallium chloride_______

CoBr2 _cobalt (II) bromide or cobaltous bromide_

B2H4 _________diboron tetrahydride___

CO _______carbon monoxide________

P4 (s) _______phosphorus solid__________

NH4Cl ______ammonium chloride________

Al2O3 ______aluminum oxide___________

KBr ______potassium bromide________

Li2S ______lithium sulfide____________

SnI2 _tin (II) iodide or stannous iodide__

SnCl4 _tin (IV) chloride or stannic chloride_

Cu2O _copper (I) oxide or cuprous oxide__

CuSO4 _copper (II) sulphate or cupric sulfate_


W18

tetracarbon decahydride ____C4H10______

nickelic perbromate ____Ni(BrO4)3___

chlorine dihydrate ___Cl2 · 2 H2O___

copper (II) hypoarsenite ___Cu3(AsO2)2___

dichromic acid ___H2Cr2O7 (aq)___

aurous hydroxide _____AuOH_____

barium bithiocarbonate ___Ba(HSCO2)2__

hydrogen chloride ______HCl______

sulfuric acid _____H2SO4_____

chromous cyanate ___Cr(CNO)2____

magnesium thiophosphate ___Mg3(SPO3)2__

ferrous iodide ______FeI2_____

barium dichromate ____BaCr2O7____

phosphorus _____P4 (s)______

periodic acid ____HIO4 (aq)____

tetraphosphorus decaoxide ____P4O10______

hydrotelluric acid ____H2Te (aq)____

ammonium bitungstate ___NH4HWO4___

iron (III) peroxide _____Fe2O4_____

neon _____Ne (g)______

silver hypoarsenite ____Ag3AsO2____

copper (II) sulphate pentahydrate _CuSO4 · 5 H2O_

cyanic acid _____HCNO_____

sulfur dioxide _____SO2_______

potassium permanganate ____KMnO4_____

zinc chloride _____ZnCl2______

diarsenic pentasulfide _____As2S5______

hypophosphorous acid ____H3PO2 (aq)____

potassium hydroxide _____KOH______

iron (III) cyanate ____Fe(CNO)3___

barium chromate ____BaCrO4_____

ammonium thiocyanate ____NH4SCN____

potassium dichromate ____K2Cr2O7_____

mercuric tellurite ____HgTeO3_____

platinum (IV) silicate ____Pt(SiO3)2____

Ag2Se _________silver selenide_________

Fe(OH)2 _iron (II) hydroxide or ferrous hydroxide_

N2O4 _______dinitrogen tetroxide______

K2S2O ____potassium thihyposulfite_____

HMnO4 (aq) ______permanganic acid_________

H2SiO3 (aq) __________silicic acid___________

CaS2O2 _______calcium thiosulphite______

N2S4 ______dinitrogen tetrasulfide_____

Au(IO4)3 _gold (III) periodate or auric periodate_


MgMnO4 _____magnesium manganate_____

H2S (aq) _________hydrosulfuric acid______

Fe(H2PO3)3 _iron (III) dihydrogenphosphite or “ic”_

PCl5 ____phosphorus pentachloride____

Rb2SSiO2 _______rubidium thiosilicate______

Ra3P2 · 7 H2O _radium phosphide heptahydrate__

NH4OH _______ammonium hydroxide_____

HCN (aq) _______hydrocyanic acid_________

Ni3(SPO2)2 nickel (III) thiophosphite or nickelic thiophosphite

HTeO2 (aq) ________hypotellurous acid_______

Cu2Se _copper (I) selenide or cuprous selenide_

Ga(OH)3 ________gallium hydroxide_______

B2H6 _______diboron hexahydride______

BaF2 _________barium fluoride________

H2CrO3 (aq) _________chromous acid_________

Pb(ClO)2 _lead (II) hypochlorite or plumbous hypochlorite_

H2Se(aq) _________hydroselenic acid_______

CaMoO4 _______calcium molybdenate_____

C4H8 _____tetracarbon octahydride_____

ZnSeO2 _________zinc hyposelenite_______

BaF2 ________barium fluoride_________

H2Te(aq) ______hydrotelluric acid_________

Co2(HPO3)3∙4 H2O cobalt (III) hydrogenphosphite tetrahydrate or “ic”

NaBr _________sodium bromide_______

Ca(C2H3O2)2 _________calcium acetate________


W19

cobaltous thioselenite __Co2(SSeO2)3___

tricarbon octahydride ______C3H8_____

thiocyanic acid ____HSCN (aq)____

silver hypophosphite ____Ag3PO2_____

bromine _____Br2 (l)______

silicon tetrahydride _____SiH4_______

cesium arsenite dihydrate __Cs2AsO3 · 2 H2O_

manganic hydroxide ____Mn(OH)3___

arsenious oxide _____As2O3_____

silver chlorate _____AgClO3____

calcium perbromate ___Ca(BrO4)2____

barium phosphide _____Ba3P2_____

nickel (II) cyanide ____Ni(CN)2_____

beryllium phosphate ___Be3(PO4)2____

cadmium sulfite ______CdS_____

boron tribromide ______BBr3_____

silicon carbide ______SiC______

mercuric hydroxide ____Hg(OH)2____

cupric perchlorate ____Cu(ClO4)2___

gold (III) selenate ___Au2(SeO4)3___

stannic phosphide _____Sn3P4_____

arsenic (V) oxide _____As2O5_____

sulfur trioxide _____SO3_______

hydrogen cyanide _____HCN______

lithium hypoiodite _____LiIO_______

magnesium thiosilicate ____MgSSiO3____

zinc phosphide _____Zn3P2______

aluminum peroxide _____A2O4______

lithium sulfate ____Li2SO4______

magnesium hypochlorite ____Mg(ClO)2___

manganese (IV )oxide ____MnO2______

strontium nitrate ____Sr(NO3)2____

lead (IV) iodite ____Pb(IO2)4_____

zinc chloride ____ZnCl2_______

cobalt (III) hypobromite ____Co(BrO)3____

NaCl _______sodium chloride__________

K2SO4 ______potassium sulphate________

Na2CrO4 ______sodium chromate_________

H2S (aq) _______hydrosulfuric acid________

MgTeO3 _______magnesium tellurite______

Li2CO2 _______lithium carbonite________

Cu(NO3)2 _copper (II) nitrate or cupric nitrate_

Fe(ClO4)2 _iron (II) perchlorate or ferrous perchlorate_

BaHPO3 ____barium hydrogenphosphite____

AgBrO ______silver hypobromite_________

Cr(NO2)3 _chromium (III) nitrite or chromic nitrite_

SnCO3 ∙ 4 H2O _tin (II) carbonate tetrahydrate or “ous”_

BaS3O2 ______barium dithiosulfate_______

SrO2 _______strontium peroxide_______

As2O5 ________diarsenic pentoxide______

H2CrO4 (aq) _______chromic acid____________

AgFO2 __________silver fluorite_________

AuI3 ___gold (III) iodide or auric iodide__

Ni2O4 _nickel (III) peroxide or nickelic peroxide_

Na2HAsO2 _____sodium hydrogenarsenite____

SiO2 _________silicon dioxide_________

Ca (s) _________calcium solid__________

Rb2Cr2O7 _______rubidium dichromate_____

Pb(MnO4)4 lead (IV) permanganate or plumbic permanganate

HI (aq) ________hydroiodic acid_________

TeCl2 ∙ 9 H2O _tellurium dichloride nonahydrate_

H2SO4 __________sulfuric acid__________

Zn(OH)2 _________zinc hydroxide_________

SiH4 _______silicon tetrahydride_______

HC2H3O2 ____________acetic acid_________

CaMnO4 ________calcium permanganate______

HMnO4 (aq) _________permanganic acid______

Cu2WO4 _coppper (I) tungstate or cuprous tungstate_

Cl2 (g) ___________chlorine gas_________

CsIO _______cesium hypoiodite________


W20

chromium (III) oxide _____Cr2O3_____

iodine monofluoride ______IF_______

ammonium perbromate ____NH4BrO____

carbon disulphide _____CS2_______

aluminum hydroxide _____Al(OH)3____

beryllium sulfite _____BeSO3_____

lead (II) dihydrogenphosphite ___Pb(H2PO3)2___

chromic hydrogenhypophosphite __Cr2(HPO2)3___

iron (III) dihydrogenhypophosphite_Fe(H2PO2)3___

potassium hydrogenarsenite ____K2HAsO3____

mercury (II) bisulfate ___Hg(HSO4)2____

zinc monohydrogentellurite ___Zn(HTeO3)2___


cobalt (III) bromite ___Co(BrO2)3____

aluminum hydride _____AlH3______

vanadium (V) oxide _____V2O5______

carbon tetraiodide _____CI4_______

mercurous peroxide ____Hg2O2_____

cupric acetate __Cu(C2H3O2)2___

acetic acid ___HC2H3O2 (aq)__

ammonium phosphate decahydrate (NH4)3PO4 · 10 H2O

aurous chromate ____Au2CrO4____

ferrous hydroxide _____Fe(OH)2____

stannic bromide _____SnBr4______

plumbous thiocyanate ____Pb(SCN)2____

oxygen gas _____O2 (g)______

arsenic trihydride _____AsH3______

ammonium dihydrogenphosphate __NH4H2PO3___

phosphorus pentachloride _____PCl5______

silver nitrate _____AgNO3_____

calcium chlorite ____Ca(ClO2)2____

manganese (III) dichromate ___Mn2(Cr2O7)3___

potassium permanganate _____KMnO4____

silicon dioxide _____SiO2_______

palladium (IV) nitrite ____Pd(NO2)4____

HBr (aq) _______hydrobromic acid______

CuSO4 ∙ 5 H2O _copper (II) sulfate pentahydrate or “ic”_

Hg2I2 _mercury (I) iodide or mercurous iodide_

I2 (s) __________iodine solid________

NiO2 _nickel (II) peroxide or nickelous peroxide_

CdHAsO3 ___cadmium hydrogenarsenite__

Fe(HCO3)3 _iron (III) bicarbonate or ferric bicarbonate_

NH3 __nitrogen trihydride or ammonia_

BaCl2 ∙ 3 H2O ____barium chloride trihydrate__

H2CrO3 (aq) ________chromous acid________

PCl5 ___phosphorus pentachloride___

H2O2 ________hydrogen peroxide____

H2Se (aq) _______hydroselenic acid_______

AlPO3 _______aluminum phosphite____

BrF3 ______bromine trifluoride______

LiOH ______lithium hydroxide_______

Si2Cl6 ____disilicon hexachloride______

Sn(CO2)2 _tin (IV) carbonite or stannic carbonite_

H2SiO3 (aq) ___________silicic acid_________

Fe(OH)2 _iron (II) hydroxide or ferrous hydroxide_

(NH4)2SiO3 ______ammonium silicate______

NaC2H3O2 ________sodium acetate_______

SnSCO tin (II) thiocarbonite or stannous thiocarbonite

H2SiO2 (aq) _________silicous acid_________

XeI4 ________xenon tetraiodide_____

HF (aq) ________hydrofluoric acid______

H2 (g) _________hydrogen gas________

SnO3 _tin (IV) peroxide or stannic peroxide_

N2O4 _______dinitrogen tetroxide_____

IBr7 ______iodine heptabromide_____

P4 (s) _________phosphorus solid_____

HNO2 ________nitrous acid__________

CsOH ________cesium hydroxide______

Au(ClO2)2 _gold (II) chlorite or aurous chlorite_

Hg2O _mercury (I) oxide or mercurous oxide_


W21

diboron hexahydride ____B2H6_______

sulfur ____S8 (s)_______

helium ____He (g)_______

sulfur hexafluoride ____SF6________

antimonic sulfate ___Sb2(SO4)5____

phosphorus pentachloride ____PCl5_______

selenium hexafluoride ____SeF6_______

tin (II) cyanide ____Sn(CN)2_____

phosphorus _____P4 (s)______

chlorine _____Cl2 (g)______

cesium manganate ___Cs2MnO4_____

ammonium chromite ___(NH4)2CrO3___

calcium tungstate ____CaWO4_____

silver acetate hexahydrate _AgC2H3O2 · 6 H2O_

potassium peroxide _____K2O2______

sodium thiocarbonate ____Na2SCO3____

lithium dithiosulfite _____Li2S3O_____

antimonous bromide _____SbBr3_____

tin (IV) hypotellurite ___Sn(TeO2)4____

carbonous acid ____H2CO2 (aq)___

hydroiodic acid _____HI (aq)_____

silver peroxide _____Ag2O2_____

sodium thiophosphate ____Na3SPO3____

arsenic phosphide ______AsP______

nitrogen gas ______N2 (g)_____

strontium dichromate _____SrCr2O7____

barium molybdenate ____BaMoO4____

sodium hydride _____NaH______

stannic fluoride _____SnF4______

manganese (III) peroxide _____Mn2O4____

cadmium peroxide _____CdO2______

lithium hypoarsenite ____Li3AsO2_____

auric hydrogenphosphite ___Au2(HPO3)3___

permanganic acid _____HMnO4____

phosphorus (V) oxide ______P2O5_____

silicon dioxide _____SiO2_______

Cr(CNO)3 _chromium cyanate or chromic cyanate_

HIO4 (aq) __________periodic acid_________

Ag2S __________silver sulfide_________

CsI __________cesium iodide________

Al2S3 ________aluminum sulphide______

Ni(NO3)2 _nickel (II) nitrate or nickelous nitrate_

CoPO4 _cobalt (III) phosphate or cobaltic phosphate_

MnSO3 _managanese (II) sulfite or manganous sulfite_

Fe(ClO4)3 _iron (III) perchlorate or ferric perchlorate_

GaCl3 _________gallium chloride________

Cr2O3 _chromium (II) oxide or chromous oxide_

KNO2 __________potassium nitrite______

Rb2CrO4 ________rubidium chromate______

(NH4)2HPO4 __ammonium hydrogenphosphate__

Cs2CO3 _________cesium carbonate______

Li2HPO4 ____lithium hydrogenphosphate___

Mg(HCO3)2 _____magnesium bicarbonate_____

Ca(ClO3)2 _______calcium chlorate_________

Sr(MnO4)2 ____strontium permanganate_____

SCI4 _______sulfur tetrachloride_______

Fe(C2H3O2)3 _iron (III) acetate or ferric acetate__

Ag2SO3 _________silver sulphite_________

Hg2Cl2 _mercury (I) chloride or mercurous chloride_

PtO2 _platinum (IV) oxide or platinic oxide_

NH4HSO4 ammonium hydrogensulfate or ammonium bisulfate

P2O5 ______diphosphorus pentoxide____

NO2 _________nitrogen dioxide_______

SO3 __________sulfur trioxide________

CCl4 _______carbon tetrachloride______

Ag2Cr2O7 _______silver dichromate_________

CuSiO2 _copper (II) silicite or cupric silicite_

AsBr5 ______arsenic pentabromide_____

HBr (aq) ________hydrobromic acid_______

NH4ClO _____ammonium hypochlorite____

Sb3N5 _antimony (V) nitride or antimonic nitride_


W22

magnesium sulfate heptahydrate _MgSO4 · 7 H2O_

mercurous perchlorate ____Hg2(ClO4)2___

ferric thiosulfite ____Fe2(S2O2)3___

hydroiodic acid _____HI (aq)_____

sodium peroxide _____Na2O2_____

calcium thiophosphate ___Ca3(SPO4)2___

potassium dihydrogenarsenate ___KH2AsO4_____

aluminum oxide nonahydrate __Al2O3 · 9 H2O__

sodium sulfite _____Na2SO3____

platinic chloride pentahydrate ___PtCl4 · 5 H2O__

cadmium dichromate _____CdCr2O7____

cesium tungstate _____Cs2WO4____

chromous acid _____H2CrO3____

manganese (II) peroxide _____MnO2_____

nickelic hydroxide _____Ni(OH)3____

ammonium phosphide ____(NH4)3P_____


ferrous phosphite ____Fe3(PO3)2____

antimony tribromide _____SbBr3______

auric bisilicate ____AuHSiO3____

chlorine dihydrate ___Cl2 · 2 H2O___

bismuthic chromate ____Bi2(CrO4)5___

plumbous oxide _____PbO______

sulfur trioxide _____SO3_______

tellurous acid _____H2TeO3____

silver fluorate _____AgFO3_____

barium bromite ____Ba(BrO2)2____

tetraarsenic decasulphide _____As4S10_____

gallium thiocyanate _____Ga(SCN)3___

hydrocyanic acid ____HCN (aq)_____

aurous bisulfate ___Au(HSO4)2____

calcium carbide ____Ca2C_______

barium periodate _____Ba(IO4)2____

platinic cyanide _____Pt(CN)4____

hypophosphorous acid _____H3PO2_____

AsI3 _________arsenic triiodide_______

KMnO4 ____potassium permanganate_____

Na2S2O2 _______sodium thiosulphite______

TeO3 _______tellurium trioxide________

NH3 __ammonia or nitrogen trihydride__

NH4HCO2 _ammonium hydrogencarbonite or “bi”_

FeCl2 _iron (II) chloride or ferrous chloride_

Xe (g) ___________xenon gas___________

CO2 _________carbon dioxide_________

CuClO2 _copper (I) chlorite or cuprous chlorite_

K2Cr2O7 _______potassium dichromate____

NH4SCN ____ammonium thiocyanate______

As2S5 ______diarsenic pentasulphide____

Cr2O3 _chromium (III) oxide or chromic oxide_

SO2 _________sulfur dioxide__________

RbFO ______rubidium hypofluorite______

Cu(BrO4)2 copper (II) perbromate or cuprous perbromate

S8 (s) ___________sulfur solid__________


Sr(HSiO2)2 _strontium hydrogensilicite or “bi”_

Pb(CN)4 _lead (IV) cyanide or plumbic cyanide_

Hg2(NO2)2 _mercury (I) nitrite or mercurous nitrite_

Na2TeO4 ∙ 9H2O ___sodium tellurate nonahydrate__

NO2 _________nitrogen dioxide_______

H3PO4 (aq) _________phosphoric acid________

Pb(C2H3O2)4 _lead (IV) acetate or plumbic acetate_

N2O ________dinitrogen monoxide_____

CuI _copper (I) iodide or cuprous iodide_

CaC2 ________calcium carbide_________

H2MnO4 (aq) ________manganic acid__________

NF3 ________nitrogen trifluoride______

Al(IO2)3 ________aluminum iodite________

Pb(OH)2 _lead (II) hydroxide or plumbous hydroxide_

Cr(CNO)3 _chromium (III) cyanate or chromic cyanate_

O2 (g) __________oxygen gas___________

chemical nomenclature unit valence value the valence value...

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