Question

An electron of an atom possesses the quantum numbers n = 3, l = 0 and m = 0. What do they mean?

Answer 1

Answer:

n = 3 means third shell

I = 0 means s subshell of third shell.

m = 0 means either 3s has I or 2 electrons

∴ Electronic configuration is

Is

2

,2S

2

,2P

6

,3S

1

or 3S

2

∴ Atomic number is 11 or 12