NEET Chemistry Quantum Mechanical Model MCQ Question
What is the order of energy levels for orbitals in a multi-electron atom?
1s < 2s < 2p < 3s < 3p < 4s < 3d < 4p < 5s < 4d < 5p < 6s < 4f < 5d < 6p < 7s
1s < 2s = 2p < 3s < 3p = 3d < 4s = 4p < 4d < 4f
1s < 2s < 3s < 4s < 5s < 6s < 7s
1s = 2s < 2p < 3s < 3p < 4s < 3d
Correct Answer
Detailed Explanation
The correct order of energy levels for orbitals in a multi-electron atom is 1s < 2s < 2p < 3s < 3p < 4s < 3d < 4p < 5s < 4d < 5p < 6s < 4f < 5d < 6p < 7s, as stated in the provided material.
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