For which one of the following, Bohr model is not valid?

Question

For which one of the following, Bohr model is not valid? (A) Hydrogen atom (B) Singly ionised helium atom (He+) (C) Deuteron atom (D) Singly ionised neon atom (Ne+)

Tardigrade Admin · Accepted Answer

Bohr model is applicable for only single electron species. Singly ionised neon atom has more than one electron in orbit. Hence, Bohr model is not valid

Q. For which one of the following, Bohr model is not valid?

Hydrogen atom

Singly ionised helium atom $(H e^{+})$

Deuteron atom

Singly ionised neon atom $(N e^{+})$

Bohr model is applicable for only single electron species. Singly ionised neon atom has more than one electron in orbit. Hence, Bohr model is not valid