Solid A is a very hard electrical insulator in solid as well as in molten state and melts at extremely high temperature. What type of solid is it?

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asked Mar 14, 2018 in Physics by BISHNU (15,580 points) 4 4 6

Solid A is a very hard electrical insulator in solid as well as in molten state and melts at extremely high temperature. What type of solid is it?

1 Answer

0 votes
answered Mar 14, 2018 by BISHNU (15,580 points) 4 4 6
selected Mar 27, 2018 by faiz
 
Best answer

It is a covalent solid such as SiO2, diamond, SiC, AlN, etc. Covalent solids (except graphite) have very high melting point and are insulators.

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