Question

valency of:
copper-?
chloride-?
lead-?
oxide-?
mercury-?
sulphide-?

PLEASE ANSWER IT PLEASE.​

Answer 1

Answer:

Copper-1,2

Chloride-1

Lead-2,4

Mercury-1,2

Sulphide-2

Oxide-2

Explanation:

Answer 2

Answer:

copper - 2+ and 1+

Chloride - 1-

lead - 2+

oxide - 2-

mercury - +2

sulphide - 2