Mechanisms of Thermal Conduction
The thermal conductivity of solid copper at 10 K is significantly greater than that of solid argon at the same temperature. Which of the following provides the best atomic-level explanation for this observation?
A
Copper’s free electrons provide an additional heat transfer mechanism
B
Argon atoms vibrate at higher frequencies than copper atoms
C
Solid argon has stronger interatomic bonds than copper
D
Copper has a significantly lower atomic density than argon
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