Ionic formula practice

Provide the formula formed by Li & F.

Provide the formula formed by Ra & N.

Provide the formula formed by Al & O.

Provide the formula formed by Sn(IV) & O.

Provide the formula formed by Fr & S.

Provide the formula formed by Cu(I) & acetate. Don't forget bracket (parenthesis) if needed.

Provide the formula formed by Cu(II) & cyanide. Don't forget bracket (parenthesis) if needed.

Provide the formula formed by Zn & phosphite. Don't forget bracket (parenthesis) if needed.

Provide the formula formed by Al & sulfite. Don't forget bracket (parenthesis) if needed.

Provide the formula formed by Sn(IV) & sulfate. Don't forget bracket (parenthesis) if needed.