Easy way to learn the valency of first 20 elements. Plz tell me fast
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valency of an element is the no. of required electron to complete its valence shell it can be easily remembered by just learning the electronic configuration of elements
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its simple
write the first twenty elements and
begin writing the no of valence electron in it its the valency if that element
write the first twenty elements and
begin writing the no of valence electron in it its the valency if that element
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