Question

metals are good conductors of heat whereas non metals are bad conductors explain

Answer 1

Metals are good conductors of heat because of following two reasons :

a) Metal ions are closely packedin the metal lattice and thus the transfer of heat from one end to another is more efficient.

b) Availability of free electrons makes transfer of heat easier making it a good conductor of heat.


whereas non metals are opposite to it.

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Answer 2

conductivity of mental is due to free electrons in its valence shell . metals contain free electrons which transfer heat energy from one end to other and hence are good conductor .
eg : ( hg) mercy is bad conductor .