Which is the correct order of increasing energy of the listed orbitals in the atom of titanium? (At. no. Z…

1 2015 AIPMT-II Structure of AtomAufbau principle Easy
Which is the correct order of increasing energy of the listed orbitals in the atom of titanium? (At. no. Z = 22)
A 3s 3p 3d 4s
B 3s 3p 4s 3d
C 3s 4s 3p 3d
D 4s 3s 3p 3d

Detailed Solution

Ti (22): $1s^22s^22p^63s^23p^64s^23d^2$
Order of energy: 3s < 3p < 4s < 3d

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