Gd(64) has ………..Unpairedelectronswithsum of spin………

1.	Gd(64) has ………..Unpairedelectronswithsum of spin………
Answer» 7,3.5 8,3 6,3 8,4 Solution :E.C. of Gd (Z=64)is `[Xe] 4f^(7)5d^(1)6S^(2)` Thus , it has 8 UNPAIRED electrons and sumof spins of 8unpairedelectrons`=8 xx (1)/(2)= 4`

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