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Physics
For which one of the following, Bohr model is not valid?
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Q. For which one of the following, Bohr model is not valid?
NEET
NEET 2020
Atoms
A
Hydrogen atom
10%
B
Singly ionised helium atom $(He^+)$
18%
C
Deuteron atom
22%
D
Singly ionised neon atom $(Ne^+)$
50%
Solution:
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