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AP Physics 2/Unit 15 – Modern Physics
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Bohr Model and Ionization Energy
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According to the Bohr model, what happens to the energy levels of a lithium atom (Z=3) when it loses one electron to form Li⁺ (with two electrons remaining)?

A

The energy levels remain unchanged from neutral lithium.

B

The energy levels become less tightly bound than before.

C

The electron energy levels collapse to zero.

D

The energy levels become more tightly bound, similar to hydrogen-like ions.

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