1. Name the following chemicals: a) CaCl2
b) NaI
c) MgI2
d) MgO
e) BeO
f) Li2S

2. Write the chemical formula for the following compounds:

a) potassium fluoride
b) dihydrogen oxide
c) calcium carbonate
d) silver nitrite
e) carbon dioxide
f) barium oxide

3. Write the chemical formula for the following compounds:

a) lead(II) oxide
b) copper(II) chloride
c) iron(III) oxide
d) nickel(II) fluoride
e) manganese(IV) sulfide
f) iron(II) fluoride
g) chromium(IV) bromide