Question

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

Answer 1

Answer:

a) for n = 4 it can be 4s2 , 4p6 ,4d10

for s = -1/2 it will be 1e in 4s ,3e in 4p,5e in 4d

b) l=0 means s

n = 3 and l= 0 - it is 3s2 it has 2e