How to get know the valency
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we know the valancy by the no. of electron in outermost shell
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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!!!!
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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