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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

`ArltK^+ltCa^(2+)`

B

`Ca^(2+)ltK^(+)ltAr`

C

`K^+ltArltCa^(2+)`

D

`Ca^(2+)ltArltK^(+)`

Text Solution

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The correct Answer is:
B
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