Question

On the basis of electro
he basis of electronic configuration how will you identify
(0) Chemically similar elements ?
The first element of a period ?​

Answer 1

Usually the elements present in the same group are almost chemically similar as the have same no of electrons in the outermost shell which means that they have same no of valency

The first element of a period ?​ Which period??

I hope this helps ( ╹▽╹ )

Answer 2

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