The hydride ( H − ) ions are isoelectronic with, He +, H +, He, Be

H − = 1 s 2 and He + = 1 s 2 .

The hydride ( H − ) ions are isoelectronic with

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The hydride $(\mathrm{H}^-)$ ions are isoelectronic with

ChemistryStructure of AtomJEE Main

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Solution:

1710 Upvotes Verified Answer

The correct answer is: He

$\mathrm{H}^{-}=1 s^2$ and $\mathrm{He}^{+}=1 s^2$.

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