Question

An element 'X' has the atomic number 17. (1)write its electronic configuration. (2)write its valency . (3)will it form an anion or a action? (4) Is it a metal or a non metal?

Answer 1

Answer:

electronic configuration-2,8,7

valency=1

anion will be formed

non metal

Explanation:

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Answer 2

1. Cl = 2,8,7

2. valency = 1

3 . It will form anion

4. It is a non metal.