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The species Ar,K^(+) and Ca^(2+) contain...

The species Ar,`K^(+)` and `Ca^(2+)` contain the same number of electrons. In which order do their radii increase?

A

`Ca^(2+) lt Ar lt k^(+)`

B

`Ca^(+2)lt k^(+)lt Ar`

C

`K^(+)lt Ar lt Ca^(+2)`

D

`Arlt K^(+)lt Ca^(+2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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