Name:____________________________
Chemical Formulae Test
Use the following example to write formulae for the sixteen named compounds below.
Sodium
oxide
(1) Write down the symbols
Na
O
(2) Write down the valencies
+1
-2
(3) Write down the numbers of ions(see below)
(4) Can the ratio be cancelled down?
(5) Write out the formula
2
1
no
Na2O
1. Calcium Chloride
2. Copper (II) Fluoride
3. Magnesium Sulfide
4. Potassium Oxide
5. Boron Nitride
6. Sodium Carbonate
7. Ammonium Bromide
8. Aluminium Sulfate
9. Lead (IV) Nitrate
10. Iron (III) Oxide
11. Lithium Hydroxide
12. Beryllium Iodide
13.Zinc Sulfite
14. Ammonium Carbonate
15. Copper (II) Nitride
16. Magnesium Hydrogencarbonate