Question

naming binary compounds (ionic)
name each ionic compound, using roman numerals where necessary.

1. $bacl_2$ ______ 11. $k_2s$ ______
2. $naf$ ______ 12. $crcl_4$ ______
3. $ag_2o$ ______ 13. $crcl_3$ ______
4. $cubr$ ______ 14. $coo$ ______
5. $cubr_2$ ______ 15. $ba_3p_2$ ______
6. $feo$ ______ 16. $hg_2i_2$ ______
7. $fe_2o_3$ ______ 17. $na_2o$ ______
8. $mgs$ ______ 18. $bes$ ______
9. $al_2o_3$ ______ 19. $mno$ ______
10. $cai_2$ ______ 20. $mn_2o_3$ ______

Explanation:

For ionic compounds, name the cation first (use Roman numerals if the metal has multiple possible charges, determined by balancing the anion's charge), then the anion with an "-ide" suffix.

Answer:

1. Barium chloride
2. Sodium fluoride
3. Silver(I) oxide
4. Copper(I) bromide
5. Copper(II) bromide
6. Iron(II) oxide
7. Iron(III) oxide
8. Magnesium sulfide
9. Aluminum oxide
10. Calcium iodide
11. Potassium sulfide
12. Chromium(II) chloride
13. Chromium(III) chloride
14. Calcium oxide
15. Barium phosphide
16. Mercury(I) iodide
17. Sodium oxide
18. Beryllium sulfide
19. Manganese(II) oxide
20. Manganese(III) oxide