Question

The electrons in an atom are designated by a set of quantum numbers labeled as n, l, m

and s.

a) Give the values of n, l, m and s for the valence electron of sodium atom 8(Atomic

number = 11)

b) Which of the following set of quantum numbers are not allowed?

i) n = 3, l = 3, m = -3, s = +½

ii) n = 2, l = 1, m = 0, s = -½

iii) n = 1, l = 0, m = 0, s = +½

iv) n = 0, l = 0, m = 0, s = +½

c) State Pauli’s exclusion principle.​

Answer 1

Answer:

The electrons in an atom are designated by a set of quantum numbers labeled as n, l, m

and s.

a) Give the values of n, l, m and s for the valence electron of sodium atom 8(Atomic

number = 11)

b) Which of the following set of quantum numbers are not allowed?

i) n = 3, l = 3, m = -3, s = +½

ii) n = 2, l = 1, m = 0, s = -½

iii) n = 1, l = 0, m = 0, s = +½

iv) n = 0, l = 0, m = 0, s = +½

c) State Pauli’s exclusion principle.