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Ca^(2+) ion is isoelectoronic with...

`Ca^(2+)` ion is isoelectoronic with

A

Na

B

Ar

C

`Mg^(2+)`

D

`Sr^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
B
`Ca^(+2)` and Ar both have 18 electrons.
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