Question

Which quantum number is different for two electrons present in K shell?

Answer 1

Answer:

Spin quantum number.

Explanation:

2 electrons belonging to the k shell will have different values only for spin quantum number that is +1/2 and -1/2 respectively. The other quantum numbers will have the same value because it depends on the principal quantum number which depends on the shell under consideration, i.e. k. As the electrons compared are from the same shell the values do not change