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The group having isoelectronic species i...

The group having isoelectronic species is-

A

`O^(2-), F^(-), Na^(+), Mg^(2+)`

B

`O^(-), F^(-), Na, Mg^(+)`

C

`O^(2-),F^(-),Na,Mg^(2+)`

D

`O^(-),F^(-),Na^(+),Mg^(2+)`.

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The correct Answer is:
A
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