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Gd (64) has unpaired electron is equal to x and sum of spin equal to y. then y/x =?

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Detailed Solution

The element Gd(Z=64) show electronic configuration=[Xe]⁵⁴4f⁷5d¹6s².

As it has 8 - unpaired electrons (4f7 and 5d1) and its sum of spin =8× $\frac{1}{2}$ =4.

4/8 = 0.5

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