Charge of ions

Stage 1

Give the formula (including charge) of the following ions:

1. The copper(II) ion?

2. The chloride ion?

3. The zinc ion?

4. The iron(II) ion?

5. The magnesium ion?

Stage 2

6. The formula of ammonium thiocyanate is NH4SCN.
What is the charge on the thiocyanate ion?

7. The formula of sodium chlorite is NaClO2.
What is the charge on the chlorite ion?

8. The formula of ammonium chlorate is NH4ClO3.
What is the charge on the chlorate ion?

9. The formula of manganese carbonate is MnCO3.
What is the charge on the manganese ion?

10. The formula of mercury sulfide is HgS.
What is the charge on the mercury ion?

Stage 3

11. The formula of tin sulfate is Sn2(SO4)4.
What is the charge on the tin ion?

12. The formula of iron(III) hydrogen phosphate is Fe2(HPO4)3.
What is the charge on the hydrogen phosphate ion?

13. The formula of copper(II) cyanide is Cu(CN)2.
What is the charge on the cyanide ion?

14. The formula of manganese fluoride is MnF2.
What is the charge on the manganese ion?

15. The formula of calcium phosphate is Ca3(PO4)2.
What is the charge on the phosphate ion?

Stage 1

1. Cu2+

2. Cl-

3. Zn2+

4. Fe2+

5. Mg2+

Stage 2

6. 1-

7. 1-

8. 1-

9. 2+

10. 2+

Stage 3

11. 4+

12. 2-

13. 1-

14. 2+

15. 3-