Physics · Atoms
The simple Bohr model is not applicable to a neutral He atom because:
- 1He is an inert gas.
- 2He has neutrons in the nucleus.
- 3He has more than one electron, leading to inter-electron repulsion.✓
- 4electrons in helium are not subject to any central force from the nucleus.
Correct answer
He has more than one electron, leading to inter-electron repulsion.
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