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Page 1: What is an  ionic bond?
Page 2: What is an  ionic bond?

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