plzzzzz give me answer of this question
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Hi
i think answer is second element has more valency which is two because since the no. of electron and neutron in an atom is same therefore the no of electron present is 18 and 20 respectively so by calculating the electron by octate the no of electron in first is 2 8 8 and in second 2 8 8 2 so the valency of first will be 0 and valency of second is 2
i think it will help you
thank you
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