Question #915b8
1 Answer
Feb 12, 2016
The valence number of zinc is 2. But the valence number of copper is both 1 and 2.
Explanation:
The valence number of zinc in all compounds is 2 such as ZnCO3, ZnCl2 etc .
the valence number of copper is 2 in CuCl2, Cu(NO3)2 .
The valence number of copper is 1 in Cu2Cl2,,,
