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23-08-2021
Chemistry

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the electronic configuration of an atom of element X is 2,8,2 what will be the valency of the element x

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Аноним Аноним

23-08-2021

The element is Magnesium

It has total 12 electrons

it has electronic configuration

[tex]\\ \sf\longmapsto 2,8,2[/tex]

or

[tex]\\ \sf\longmapsto 1s^22s^22p^63s^2[/tex]

In valence cell it has 2 electrons and therefore its valency is 2

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