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:

  1. (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.


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