Atomic Structure Question 259

Question: In a potassium atom, electronic energy levels are in the following order [EAMCET 1979; DPMT 1991]

Options:

A) 4s>3d

B) 4s>4p

C) 4s<3d

D) 4s<3p

Show Answer

Answer:

Correct Answer: C

Solution:

According to Aufbau-s principle.



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