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An ion with mass number 56 contains 3 un...

An ion with mass number `56` contains `3` units of positive charge and `30.4%` more neutrons then electrons. Assign the symbol to this ion.

A

`overset(56)underset(28)Ni^(+3)`

B

`overset(56)underset(26)Fe^(+3)`

C

`overset(56)underset(27)Co^(+3)`

D

`overset(56)underset(24)Cr^(+3)`

Text Solution

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The correct Answer is:
B
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