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Question: Hydrogen ion \(H^{-}\) is isoelectronic with....

Hydrogen ion H−H^{-} is isoelectronic with.

A

Li

B

He

C

H+H^{+}

D

Li−Li^{-}

Answer

He

Explanation

Solution

H−=1s2; 6muHe=1s2H^{-} = 1s^{2};\mspace{6mu} He = 1s^{2}