Determine the valence of each element in the compounds. Name the compounds: • ZnCl2 • Cu2O • CuO • HgS

Determine the valence of each element in the compounds. Name the compounds: • ZnCl2 • Cu2O • CuO • HgS • FeBr3 • FeBr2 • HgI2 • Cl2O3 • KH • PCl5 • PCl3

1) ZnCl2 (zinc chloride)
Zn-II, CI-I

2) Cu2O (copper (I) oxide)
Cu-I, O-II

3) CuO (copper (II) oxide)
Cu-II, O-II

4) HgS (mercury (II) sulfide
Hg-II, S-II

5) FeBr3 (iron (III) bromide)
Fe-III, Br-I

6) FeBr2 (iron (II) bromide)
Fe-II, Br-I

7) HgI2 (mercury (II) iodide)
Hg-I, I-II

8) Cl2O3 (chlorine (III) oxide)
Cl-III, O-II

9) KH (potassium hydride)
K-I, H-I

10) PCl5 (phosphorus (V) chloride)
P-V, Cl-I

11) PCl3 (chlorine (III) chloride)
P-III, Cl-I