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The Bohr model applies only to single-electron systems, such as hydrogen or hydrogen-like ions (e.g., He⁺, Li²⁺). Why does it not apply to neon?

1. Neon contains multiple electrons in its shells.
2. The Bohr model works for all types of atoms.
3. The Bohr model is applicable to atoms with more than one electron.
4. None of these statements are correct.

Correct answer: Neon contains multiple electrons in its shells.

Solution

The Bohr model is only valid for single-electron species because it does not account for electron-electron interactions present in multi-electron atoms like neon.

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