Atomic Structure Question 260
What is the maximum number of electrons that can be accommodated in an atom in which the highest principal quantum number value is 4?
Options:
10
18
36
54
Show Answer
Answer:
Correct Answer: C
Solution:
Energy of subshells follow the order $ 1s^{2},,2s^{2},2p^{6},3s^{2},3p^{6},4s^{2},3d^{10},4p^{6},5s,4d^{10},5p^{6},6s….. $ we can fill them by electrons up to 4p hence 36 electrons.