The metal ion with total number of electrons same as S 2 is, N a +, Ca 2 +, Mg 2 +, Sr 2 +

S − 2 has 18 electrons & so Ca + 2 ion are having

The metal ion with total number of electrons same as S 2 is

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The metal ion with total number of electrons same as $S^{2}$ is

ChemistryStructure of AtomKVPYKVPY 2017 (5 Nov SA)

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Solution:

1885 Upvotes Verified Answer

The correct answer is: $\mathrm{Ca}^{2+}$

$\mathrm{S}^{-2}$ has 18 electrons $\&$ so $\mathrm{Ca}^{+2}$ ion are having

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