Question

Which of the following exhibits variable
valency?
(i) calcium
(ii) copper
(iii) carbon (iv) chlorine​

Answer 1

Explanation:

I think right answer is carbon because it forms covalent bonds

please mark me e as brainliest

Answer 2

Answer:

copper

Explanation:

copper exhibits variable valency........

____IF ITS HELPFUL FOR YOU...PLZ MARK AS BRAINLIEST____