Atomic Structure Question 354
Question: For the energy levels in an atom, which one of the following statements is correct
[AIIMS 1983]
Options:
A) There are seven principal electron energy levels
B) The second principal energy level can have four sub-energy levels and contains a maximum of eight electrons
C) The $ M $ energy level can have maximum of 32 electrons
D) The $ 4s $ sub-energy level is at a higher energy than the $ 3d $ sub-energy level
Show Answer
Answer:
Correct Answer: B
Solution:
The second principal shell contains four orbitals viz $ 2s,,2p_{x},2p_{y} $ and $ 2p_{z}. $
