Choose any five simple cations and any five polyatomic anions, and write the formulas for all possible co mpounds between the cations and the anions. Give the name of each compound.

Name each of the following compounds, which contain polyatomic ions.

f. $\text{Co}_2\text{(SO}_4)_3$

Name each of the following compounds, which contain polyatomic ions.

e. $\text{NaClO}_2$

Give the name of each of the following polyatomic anions.

f. $\text{MnO}_4^{-}$

Name each of the following compounds, which contain polyatomic ions.

d. $\text{Na}_2\text{HPO}_4$

Name each of the following compounds, which contain polyatomic ions.

c. $\text{Pb(NO}_3)_2$

Give the name of each of the following polyatomic anions.

e. $\text{ClO}_4^{-}$

Name each of the following compounds, which contain polyatomic ions.

b. $\text{Cu(CN)}_2$

Give the name of each of the following polyatomic anions.

d. $\text{PO}_4^{3-}$

Give the name of each of the following polyatomic anions.

c. $\text{SO}_4^{2-}$

Name each of the following compounds, which contain polyatomic ions.

a. $\text{LiH}_2\text{PO}_4$

Give the name of each of the following polyatomic anions.

b. $\text{ClO}_3^{-}$

Give the name of each of the following polyatomic anions.

a. $\text{CO}_3^{2-}$

Write the formula for each of the following chromium-containing ions, including the overall charge of the ion.

d. dichromate