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Q. 4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is :

NEETNEET 2019Structure of Atom

Solution:

(n + l) values for, 4d = 4 + 2 = 6
5p = 5 + 1 = 6
5f = 5 + 3 = 8
6p = 6 + 1 = 7
$\therefore $ Correct order of energy would be 5f > 6p > 5p > 4d