Question

1. Copper=: Cu ki valency kya hogi.
2. Mercury=: Hg ki valency kya hogi.
3. Iodine=: I ki valency kya hogi.
4. Boron=: B ki valency kya hogi.​

Answer 1

Answer:

copper= 2,1

Mercury= 1

iodine= minus 1

Boron= 3