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Which of the following is not isoelectro...

Which of the following is not isoelectronic ?

A

`Na^(+)`

B

`Mg^(2+)`

C

`O^(2-)`

D

`Cl^(-)`

Text Solution

Verified by Experts

The correct Answer is:
D
`Cl^(-)` ion has 18 electrons whereas the other species has 10 electrons each.
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