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Total number of unpaired electrons in an atom of atomic number 29 is:
(1) 1
(2) 3
(3) 4
(4) 2
Ans: 1
An electron having the quantum numbers n=1, l=3, m=0 s= -1/2 , would be in the orbital: (1) 3s (2) 3p (3) 4d
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