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For principal quantum number l = 4 the total number of orbitals having l = 3 is

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For principal quantum number l = 4 the total number of orbitals having l = 3 is

(a) 3

(b) 7

(c) 5

(d) 9

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1 Answer

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Best answer

Correct option (b) 7

Explanation:

n = 4

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14

l= 3 only for f orbital.

Thus, the total number of orbitals for l = 3 is equal to 7(because f contains seven orbitals).

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