What are the drawbacks of Quantum Free Electron theory?
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The drawbacks of Quantum free Electron theory are as follows:
1. It is incapable of explaining why some crystals have metallic properties and others do not have.
2. It fails to explain why the atomic arrays in crystals including metals should prefer certain structures and not others
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Drawbacks:
- Cannot give an explanation on the metallic properties of crystals. The explanations are inadequate and not convincing.
- Failed to explain the structural properties of crystals and the reasons behind it.
- Negative temperature coefficient of resistance cannot be briefed.
- Classification of solids is not clear.
- Hall's coefficient is not explained.
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