NEET2020Physics-Atomic Structure
NEET 2020 Physics Bohr Model MCQ Question
Type: MCQ-conceptual-Medium-Class 12
For which one of the following, Bohr model is not valid?
A
Deuteron atom
B
Singly ionised neon atom (Ne⁺)
C
Hydrogen atom
D
Singly ionised helium atom (He⁺)
Correct Answer
Option B
Detailed Explanation
Bohr's model is valid for single-electron systems. Ne⁺ has more than one electron, making Bohr's model invalid.
Found an issue with this question?