Chemistry · Metals
What happens to the electrical conductivity of a metal as its temperature increases?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It first increases and then decreases sharply at the melting point.
- 2It remains constant because the number of free electrons does not change.
- 3It decreases because the increased vibration of positive ions impedes electron flow.✓
- 4It increases because the kinetic energy of free electrons decreases.
Correct answer
It decreases because the increased vibration of positive ions impedes electron flow.
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