Question Detail

CHM 101 Atomic Structure and Quantum Theory Objective Question

Question

What is the correct order of orbital filling after 3p?
Options
A 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p
B 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p
Correct Answer
C 4p, 5s, 3d, 4d, 5p, 6s, 4f, 5d, 6p
D 4s, 4p, 4d, 4f, 5s, 5p, 5d, 5f
Correct Answer

Option B is the correct answer.

Detailed Explanation

The filling sequence is: 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f, 6d, 7p.

Hint

The notes provide the complete filling order after 3p.

Question Info