review: writing and naming compounds, balancing equations, element symbols

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REVIEW: WRITING AND NAMING COMPOUNDS, BALANCING EQUATIONS, ELEMENT SYMBOLS. Ionic, covalent, or acid ?. Copper (II) hydroxide Ionic HCl Acid Dinitrogen pentoxide Covalent Sodium chloride Ionic. H 2 SO 4 Acid Calcium hydroxide Ionic Carbon dioxide Covalent P 2 S 5 Covalent - PowerPoint PPT Presentation

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Page 1: REVIEW: WRITING AND NAMING COMPOUNDS, BALANCING EQUATIONS,       ELEMENT SYMBOLS
Page 2: REVIEW: WRITING AND NAMING COMPOUNDS, BALANCING EQUATIONS,       ELEMENT SYMBOLS

Copper (II) hydroxide Ionic HCl Acid Dinitrogen pentoxide Covalent Sodium chloride Ionic

Page 3: REVIEW: WRITING AND NAMING COMPOUNDS, BALANCING EQUATIONS,       ELEMENT SYMBOLS

H2SO4

Acid Calcium hydroxide Ionic Carbon dioxide Covalent P2S5

Covalent Silver iodide Ionic

Page 4: REVIEW: WRITING AND NAMING COMPOUNDS, BALANCING EQUATIONS,       ELEMENT SYMBOLS

Pb Lead Ca Calcium F Fluorine Hg Mercury

Page 5: REVIEW: WRITING AND NAMING COMPOUNDS, BALANCING EQUATIONS,       ELEMENT SYMBOLS

Au Gold Cu Copper Mg Magnesium Mn Manganese Fe Iron

Page 6: REVIEW: WRITING AND NAMING COMPOUNDS, BALANCING EQUATIONS,       ELEMENT SYMBOLS

When writing the formula for an ionic compound, the _____ is always written first.

Cation (metal) Metals always ___ ____ electrons. Give away What is the ionic symbol for lithium? Li+1

What is the ionic symbol for sulfur? S-2

What is the ionic symbol for hydroxide? OH-1

What is the ionic symbol for ammonium?

NH4+1

Page 7: REVIEW: WRITING AND NAMING COMPOUNDS, BALANCING EQUATIONS,       ELEMENT SYMBOLS

Covalent compounds are always between 2 _____.

Nonmetals Naming covalent compounds

includes using ___ before the element name.

Prefixes What is the prefix for 1? Mono What is the prefix for 8? Octa What is the prefix for 5? 3? Penta, tri

Page 8: REVIEW: WRITING AND NAMING COMPOUNDS, BALANCING EQUATIONS,       ELEMENT SYMBOLS

Calcium sulfate Ca+2 So4-2 = CaSO4 Potassium phosphate K+1 PO4-3 = K3PO4 Iron (II) chloride Fe+2 Cl-1 = FeCl2 lead (IV) hydroxide Pb+4 OH-1 = Pb(OH)4 Remember, the Roman numeral tells

you the positive charge for the metal!

Page 9: REVIEW: WRITING AND NAMING COMPOUNDS, BALANCING EQUATIONS,       ELEMENT SYMBOLS

Potassium chloride K+1 Cl-1 = KCl Magnesium fluoride Mg+2 F-1 = MgF2 Ammonium oxide NH4+1 O-2 = (NH4)2O

Page 10: REVIEW: WRITING AND NAMING COMPOUNDS, BALANCING EQUATIONS,       ELEMENT SYMBOLS

S2O4 Disulfur tetroxide MgI2 Magnesium iodide AlBr3 Aluminum bromide CrCl3 Chromium (III) chloride NaOH Sodium hydroxide CaSO4 Calcium sulfate

Page 11: REVIEW: WRITING AND NAMING COMPOUNDS, BALANCING EQUATIONS,       ELEMENT SYMBOLS

The law of conservation of mass and matter says matter cannot be created or destroyed!

All chemical equations must, therefore, be balanced!

Look at this formula: Pb(OH)4 There are ____ lead atoms, ____ oxygen

atoms and ____ hydrogen atoms 1, 4,4 The formula Fe2(SO4)3 contains ____ Fe

atoms, ___ S atoms and ___ O atoms 2, 3, 12

Page 12: REVIEW: WRITING AND NAMING COMPOUNDS, BALANCING EQUATIONS,       ELEMENT SYMBOLS

___ H2 + ___ O2 → ___ H2O 2,1,2

___ N2 +___ H2 → ___ NH3

1,3,2

____Zn + ____ HCl → ___ ZnCl2 + ___ H2

1,2,1,1

___ Fe + ___ O2 → ___ Fe2O3

4,3,2

Page 13: REVIEW: WRITING AND NAMING COMPOUNDS, BALANCING EQUATIONS,       ELEMENT SYMBOLS

THAT’S ALL FOR THE REVIEW!!

AS ALWAYS, COME SEE ME IF YOU NEED SOME EXTRA HELP!!