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Solution


Q.

The number of atomic orbitals from the following having 5 radial nodes is _________ .

7s, 7p, 6s, 8p, 8d                                [2023]

Ans.

(3)

     Atomic orbitals     number of radial nodes = (n − l − 1)

(i)   7s                               (7 − 0 − 1) = 6
(ii)  7p                               (7 − 1 − 1) = 5
(iii) 8p                                  (8 − 1 − 1) = 6
(iv)    8d                                  (8 − 2 − 1) = 5
(v) 6s                                (6 − 0 − 1) = 5