Question

How many electrons in an atom may have the following quantum numbers.
a) n = 4, ms = -1/2
b) n = 3, l = 0

Answer 1

Answer:

a) it has one electron because spin quantum no. is -1/2 for one orbital .

b) it has two electrons because l = 0 , m = 0 , s = -1/2 Or +1/2