Chemistry, asked by sanjaystores40, 6 months ago

the valency of the element in period 3 having atomic number 17

Answers

Answered by Anonymous

0

Answer:

chlorine.

valency +3

Explanation:

Hope this may help you.....

Answered by desaipreet2105

2

Answer:

valency=1

Explanation:

electronic configuration=2,8,7

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