1. Happy Birthday to The Hobbit (1937)
Reading:
Re-Read Chapter 5, sections 8, 9, 10
Mastering Chemistry #4 – due Thursday
Chapter 5 #’s 16,32,36,38,42,44,46, 49-66ALL
about 2 hours 15 minutes

2. Nomenclature (the words)
Practice: State whether these are ionic, molecular, or an acid
HC7H6O3(aq)
Zn3P2
(NH4)2Se(aq)
CCl4
acid
ionic
ionic
molecular
HBr(aq)
CH2I2
H2CrO4(aq)
SrO
acid
molecular
acid
ionic

3. Nomenclature (the words)

4. Ionic Nomenclature (the words)
name to formula
Step 1: write the symbol for each ion
Step 2: find the least common multiple of the charges
Step 3: figure out how many of each ion you need
Step 4: write the formula
Note: if you need more than one polyatomic ion, you MUST use parenthesis around it!!!

5. Ionic Nomenclature (the words)
formula to name
non-VOS cation (type I)
VOS metal (type II)
1) Write the name of the cation
1) Write the name of the cation
1a) Figure out the roman numeral!

6. Ionic Nomenclature (the words)
formula to name
Fe2O3
iron
(III)
oxide
O2-
O2-
O2-
O2-
= -6 Fe
Fe+3
Fe+3 Fe
= +6

7. Ionic Nomenclature (the words)
formula to name
Bi3N5
bismuth
(V)
nitride
N3-
N3-
N3-
N3-
N3-
N3-
= -15 Bi
Bi+5
Bi+5 Bi
Bi+5 Bi
= +15

8. Ionic Nomenclature (the words)
formula to name
NiTeO4
nickel
(II)
tellurate
TeO42-
TeO42-
= -2 Ni
Ni+2
= +2

9. Ionic Nomenclature (the words)
formula to name
non-VOS cation (type I)
VOS metal (type II)
1) Write the name of the cation
1) Write the name of the cation
1a) Figure out the roman numeral!
2) Write the name of the anion
2) Write the name of the anion
3) The End
3) The End