1. Chem Take out Unit 9 Note Packet Do Now: complete pg 15
Today: get through page 22

2. Types of Bonds

3. Charges of Ions

4. Ionic Compounds
Ionic Compounds: in general, made up of metal and nonmetal
Charges of ions MUST balance out to 0
Simple Binary Compounds:
(name of metal) + (name of nonmetal with –ide ending)
Transition Metal Cations (and Sn and Pb)
Must include charge of the cation using (roman numerals)
Exceptions: Zn and Cd are always +2, Ag is always +1

6. Polyatomic Ions: MUST MEMORIZE!
Ammonium
NH4+1 
Hydroxide
OH-1 
Carbonate
CO3-2 
Nitrate
NO3-1 
Phosphate
 PO4-3
Sulfate
SO4-2 

7. no no Li2S Li+1 S-2 yes no Pb3N2 Pb+2 N-3 yes yes Cr(OH)3 Cr+3 OH-1
Titanium (III) Bromide
Ti+3
Br -1