What is the order of energy levels in hydrogen atoms? - ATOMIC STRUCTURE Quiz | GKFix.in

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Question

What is the order of energy levels in hydrogen atoms?

A. 1s = 2s = 2p = 3s
B. 1s < 2p < 2s < 3d
C. 1s < 2s = 2p < 3s = 3p = 3d
D. 1s < 2s < 2p < 3s

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