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  4. Magnetic moment 2.84 B.M. is given by (At. nos, Ni=28, Ti=22, Cr=24, Co=27)

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Q. Magnetic moment 2.84 B.M. is given by (At. nos, Ni=28, Ti=22, Cr=24, Co=27)

AIPMTAIPMT 2015The d-and f-Block Elements

Solution:

$\sqrt{n(n+2)} = 2.84 $
$\Rightarrow \, n = 2$
$Ni^{+2}$