Question

How will you correlate valency with the group number in the modern periodic table

Answer 1

I hope it will help you..

Valency is the no of electrons present in the outer most orbit of an atom. In a group each element has same valency. Group I has 1 electron in its outermost orbit. Group 2 has 2 electrons in its outermost orbit.

Answer 2

Answer:

Valency is the no of electrons present in the outer most orbit of an atom. In a group each element has same valency. ... Group 2 has 2 electrons in its outermost orbit. Group 13 has 3 electrons in its outmost shell and so on

Explanation:

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