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From the following which sets of io...

From the following which sets of ions is isoelectronic ?

A

`K^(+) ,CI^(-) ,Ca^(2) ,Sc^(3)`

B

`Ba^(+2) ,Sr^(2) ,K^(+) s^(-2)`

C

`N^(-3) O^(-2) F^(-) S^(-2)`

D

`Li^(+) ,Na^(+) ,Mg^(-2) ,Ca^(+2)`

Text Solution

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The correct Answer is:
A
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