Which element is less reactive, an element who's atoms have seven valence electrons or an Element whose atoms have eight valence electrons? Explain.

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Physics

Dalton

6 January, 06:21

Which element is less reactive, an element who's atoms have seven valence electrons or an Element whose atoms have eight valence electrons? Explain.

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Reece Cowan · Answer 1

An element whose atoms have eight valence electrons each is much less reactive, because such an element already has the energy-minimizing electron configuration, a closed octet, that other elements achieve by reaction with one another. Elements with seven electrons in each valence shell have a strong drive to abstract another one from a less electronegative atom such as a metal.