Chemistry, asked by tasneem4, 1 year ago

How to get know the valency

Answers

Answered by akanksha521
0
we know the valancy by the no. of electron in outermost shell
Answered by TheKnowledge
1
to know the balance you must know about electronic configuration.

for example magnesium which have electronic configuration are 2 ,8, 2 .




so the valency of magnesium is outermost electron that is 2.

hope you understand!!!!
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