Choose the element which shows variable valence
1 iron, sodium, Aluminium
2 copper, calcium, potassium
3 chromium, zinc, argon.... And give reason for the answer
Answers
Answered by
1
Answer:
Explanation:ron shows variable valency i.e. 2 and 3. Silver, sodium has valency of 1. Zinc has valency of 2.
Hence the correct option is A.
December 26, 2019
Answered by
0
Explanation:
Iron shows variable valency i.e. 2 and 3. Silver, sodium has valency of 1. Zinc has valency of 2.
Hence the correct option is A.
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