APFIVE Mechanisms of Thermal Conduction
When comparing the thermal conductivity of solid argon at 10K to solid copper at the same temperature, copper conducts heat much more efficiently. Which atomic-level explanation best accounts for this difference?
A
Copper’s free electrons provide an additional heat transfer mechanism
B
Copper has a significantly lower atomic density than argon
C
Solid argon has stronger interatomic bonds than copper
D
Argon atoms vibrate at higher frequencies than copper atoms
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