Atoms - Result Question 7
8. For which one of the following, Bohr model is not valid?
(a) Singly ionised helium atom $(He^{+})$
[2020]
(b) Deuteron atom
(c) Singly ionised neon atom $(Ne^{+})$
(d) Hydrogen atom
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Answer:
Correct Answer: 8. (c)
Solution:
- (c) Bohr model is only valid for single electron species i.e., Hydrogen or hydrogen like atom $-He^{+}$, deuteron, etc. Singly ionised neon atom has more than one electron in orbit. Hence, Bohr model is not valid.
