# In the atom of an element X, 6 electrons are present in the outermost shell. If it acquires noble gas configuration by accepting requisite number of electrons, then what would be the charge on the ion so formed?

Element X has 6 electrons in the outermost shell. In order to acquire noble gas configuration, element X requires 2 electrons.

$X+2e^{-}\rightarrow X^{2-}$

when an atom has 6 electrons in its outermost shell and accepts 2 more electrons, the charge on the ion formed would be – 2.

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