Which type of solid crystals will conduct heat and electricity?

Does solid NaCl conduct electricity?

Which of the following crystalline solids conduct electricity in molten state but not in solid state?

Which of the following crystalline solids conduct electricity in molten state but not in solid state?

Which type of solids are good conductor of electricity and are malleable in nature?

Which type of solids are good conductor of electricity and are in malleable in nature?

Which type of crystalline solids are good conductor of electricity ?

Crystals which are good conductor of heat and electricity are -

Some solids are given below. Water, Brass, Quartz, Calcium fluoride. Make a table containing solids, type of solids, physical nature and electrical conductivity.

The phenomenon in which polar crystals on heating produce electricity is called :