What is an ionic bond?

»Ionic Bond: When an atom donates electrons to another atom

Oxidation Numbers

Ionic Bonds

» The charge must be neutral for these compounds

Ionic Bonds

Neutral Compound

What is Li and O?

Practice

» 1. Sodium + Bromine

» 2. Magnesium + Nitrogen

» 3. Calcium + Sulfur

» 4. Calcium + Chlorine

» 5. Aluminum + Fluorine

NaBr

Mg3N2

CaS

CaCl2

AlF3

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

Naming Ionic Compounds

Name Metal

Name Non-Metal

Drop ending and add -ide

Naming Example

NaCl Sodium Chlorine

Sodium Chloride

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

Naming Practice

KFMgI2

Na2ONaClMgOAlCl3

Potassium Fluoride

Magnesium Iodide

Sodium Oxide

Sodium ChlorideMagnesium Oxide

Aluminum Chloride

Mixed Practice

» Calcium + Sulfur

» Cesium + Iodine

» Calcium Iodide

» Aluminum Nitride

» Lithium Phosphide

» Indium + Oxygen

» Strontium Iodide

» Rubidium + Bromine

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

Transition Metals

Transition Metals

» Transition Metals have varying valence electrons

» Exceptions: »Ag is always 1+»Zn is always 2+»Cd is always 2+

Why the different charges?

What is the charge of the metal?

» ZnCl2

» FeP» MnBr2

» CuF2

» MnO2

» PbO» SnS2

» Fe2O

23

2

24

2

4

1

Naming Transition Metals

Name Metal

Label Charge Using Roman

Numerals

Drop ending and add -ide

Name Non-Metal

Roman Numerals

1 2

3 4

5 6

7 8

Naming Example

»Name: ZnCl2

˃Zinc (II) Chloride

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

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

Polyatomic Ions

Look Familiar?

» Sulfate» Sulfite» Carbonate» Nitrate» Bicarbonate» Nitrite» Phosphate» Hydroxide » Ammonium » Acetate

Write the Compound

Naming Polyatomic Ions

Name Metal

Label Charge if Necessary

Name Polyatomic

Naming Example

»CuSO3

˃Copper (II) Sulfite

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

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

Naming Guide

Standard Charge

Metal with Multiple Charge

Polyatomic Ion

Non-metal• Name Non-Metal• Drop Ending• Add -ide

Polyatomic Ion• Name Ion

Properties of Ionic Compounds

» Form Crystals» High melting and boiling points» Hard and brittle» Conduct electricity when dissolved

Properties of Ionic Compounds

Crystal Structure

Metallic Bonds

Electron Sea Model

Metals are not ionic but DO share many properties with ionic compounds.

Properties

Ionic MetallicConductor of Electricity Dissolved X

Malleable XBrittle X

Lustrous XHigh Melting Point X SomeLow Boiling Point

Ductile XPoor Conductor of Heat Solid