9. The set of orbitals having n+1 = 5 are:
(A) 2p, 3d, 3s
(B)3p, 3d, 5s
C 3s, 4p, 40
D 5s , 4p, 3d
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Answer:
option d
Explanation:
(n+1)=5 has 5s ,4p,3d orbitals with 2 ,6and 10 electrons respectively. therefore , the total number of electrons present is 18
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