Download - What is an ionic bond?
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What is an ionic bond?
»Ionic Bond: When an atom donates electrons to another atom
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Oxidation Numbers
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Ionic Bonds
» The charge must be neutral for these compounds
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Ionic Bonds
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Neutral Compound
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What is Li and O?
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Practice
» 1. Sodium + Bromine
» 2. Magnesium + Nitrogen
» 3. Calcium + Sulfur
» 4. Calcium + Chlorine
» 5. Aluminum + Fluorine
NaBr
Mg3N2
CaS
CaCl2
AlF3
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Practice
» 1. Potassium + Fluorine » 2. Magnesium + Iodine » 3. Sodium + Oxygen
» 4. Sodium + Chlorine
» 5. Magnesium + Oxygen » 6. Aluminum + Chlorine
KF
MgI2
Na2O
NaCl
MgO
AlCl3
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Naming Ionic Compounds
Name Metal
Name Non-Metal
Drop ending and add -ide
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Naming Example
NaCl Sodium Chlorine
Sodium Chloride
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Naming Practice
» 1. Sodium + Bromine
» 2. Magnesium + Nitrogen
» 3. Calcium + Sulfur
» 4. Calcium + Chlorine
» 5. Aluminum + Fluorine
NaBr
Mg3N2
CaS
CaCl2
AlF3
Sodium Bromide
Magnesium Nitride
Calcium Sulfide
Calcium Chloride
Aluminum Fluoride
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Naming Practice
KFMgI2
Na2ONaClMgOAlCl3
Potassium Fluoride
Magnesium Iodide
Sodium Oxide
Sodium ChlorideMagnesium Oxide
Aluminum Chloride
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Mixed Practice
» Calcium + Sulfur
» Cesium + Iodine
» Calcium Iodide
» Aluminum Nitride
» Lithium Phosphide
» Indium + Oxygen
» Strontium Iodide
» Rubidium + Bromine
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Name…
» KCl» LiF» CaBr2
» BaF2
» Fr3S
» K3P
» BeBr2
» NaCl
Potassium Chloride
Lithium Fluoride
Calcium Bromide
Barium Fluoride
Francium Sulfide
Potassium Phosphide
Beryllium Bromide
Sodium Chloride
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Transition Metals
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Transition Metals
» Transition Metals have varying valence electrons
» Exceptions: »Ag is always 1+»Zn is always 2+»Cd is always 2+
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Why the different charges?
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What is the charge of the metal?
» ZnCl2
» FeP» MnBr2
» CuF2
» MnO2
» PbO» SnS2
» Fe2O
23
2
24
2
4
1
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Naming Transition Metals
Name Metal
Label Charge Using Roman
Numerals
Drop ending and add -ide
Name Non-Metal
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Roman Numerals
1 2
3 4
5 6
7 8
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Naming Example
»Name: ZnCl2
˃Zinc (II) Chloride
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Write the Compound
» Copper (I) Chloride» Manganese (III) Sulfide» Tin (IV) Oxide» Gallium (III) Nitride» Chromium (III) Sulfide» Lead (II) Fluoride
CuCl
Mn2S3
SnO2
GaNCr2S3
PbF2
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Name the Compound
» Cu3N2
» Fe2S3
» ZnCl2
» AgCl» Cd3N2
» MnO2
» NiS
Copper (II) NitrideIron (III) Sulfide
Zinc (II) Chloride
Silver (I) Chloride
Cadmium (II) Nitride
Manganese (IV) Oxide
Nickel (II) Sulfide
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Polyatomic Ions
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Look Familiar?
» Sulfate» Sulfite» Carbonate» Nitrate» Bicarbonate» Nitrite» Phosphate» Hydroxide » Ammonium » Acetate
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Write the Compound
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Naming Polyatomic Ions
Name Metal
Label Charge if Necessary
Name Polyatomic
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Naming Example
»CuSO3
˃Copper (II) Sulfite
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Name these Polyatomic Ions
» Ag2SO4
» MgCO3
» Zn2SO4
» Mg(OH)2
» Nb(NO3)2
» NaC2H3O2
silver (I) sulfatemagnesium carbonate
zinc (I) sulfatemagnesium hydroxide
niobium (II) nitrate
sodium acetate
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Write the Compound
» aluminum and sulfate » ammonium and sulfur » barium and hydroxide » magnesium and phosphate » lead(IV) and sulfite » strontium and carbonate » zinc(II) and phosphate » ammonium and oxygen » calcium and nitrate » tungsten(II) and sulfate
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Naming Guide
Standard Charge
Metal with Multiple Charge
Polyatomic Ion
Non-metal• Name Non-Metal• Drop Ending• Add -ide
Polyatomic Ion• Name Ion
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Properties of Ionic Compounds
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» Form Crystals» High melting and boiling points» Hard and brittle» Conduct electricity when dissolved
Properties of Ionic Compounds
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Crystal Structure
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Metallic Bonds
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Electron Sea Model
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Metals are not ionic but DO share many properties with ionic compounds.
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Properties
Ionic MetallicConductor of Electricity Dissolved X
Malleable XBrittle X
Lustrous XHigh Melting Point X SomeLow Boiling Point
Ductile XPoor Conductor of Heat Solid