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Which one of the following sets of ions ...

Which one of the following sets of ions represents the collection of isoelectronic species?

A

`K^(+),Cl^(-),Mg^(2+), Sc^(3+)`

B

`Na^(+),Ca^(2+),Sc^(3+),F^(-)`

C

`K^(+),Ca^(2+),Sc^(3+),Cl`

D

`Na^(+),Mg^(2+),Al^(3+),Cl^(-)`

Text Solution

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The correct Answer is:
C
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