MCQ
The hydride ions $({H^ - })$ are isoelectronic with
- A$Li$
- B$H{e^ + }$
- ✓$He$
- D$Be$
✓
Answer
Correct option: C.
$He$
c
(c) ${H^ - } = 1{s^2}$ and $H{e^ + } = 1{s^2}.$
(c) ${H^ - } = 1{s^2}$ and $H{e^ + } = 1{s^2}.$
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