Question

Which of the following are isoelectronic species i.e., those having the same number of electrons?
$Na^{+}$, $K^{+}$, $Mg^{2+}$, $Ca^{2+}$, $S^{2-}$, Ar.

Answer 1

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Which of the following are isoelectronic species i.e., those having the same number of electrons?
$Na^{+}$, $K^{+}$, $Mg^{2+}$, $Ca^{2+}$, $S^{2-}$, Ar.


$Na^{+}$✔✔✔

$Na^{+}$ of the following are isoelectronic species i.e., those having the same number of electrons.

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Answer 2

Na+
Na+ of the above are isoelectronic species those which have the same number of elections.

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