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The IIA group metal ion having 6s^(2) 6p...

The IIA group metal ion having `6s^(2) 6p^(6)` as outer electron configurtion is

A

`Ca^(2+)`

B

`Sr^(2+)`

C

`Ba^(2+)`

D

`Ra^(2+)`

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The correct Answer is:
4
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