Chemistry, asked by Piyushjain9139, 1 year ago

how to know valencies of different elements

Answers

Answered by Bhasksr
1

Valency = no.of electrons in the outermost shell of an element

You can memorize the atomic no. Of elements

And figure out the valency

For eg : magnesium

Atomic no= 12

Electronic configuration = 2. 8 . 2

Therefore the valency = 2




Hope it helps u

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