Chemistry, asked by mwrs9076, 1 year ago

An element has an electronic configuration of 2 8 2

a.What is the atomic no

b.What is it valency

Answers

Answered by kumvis25

0

The element is magnessium
It's atomic no is 12
It's valency is 2

Answered by buster18

0

Atomic no= 2+8+2= 12
Valency= 2

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