SOLAR SYSTEM

Detailed explanation-1: -A non-metal that can show allotropy is Sulphur. It is non-metal and is a poor conductor of both heat and electricity. It is non-lustrous, non-malleable and is coloured. Hence, a non-metal other than carbon which shows allotropy is Sulphur.

Detailed explanation-2: -Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.

Detailed explanation-3: -Tungsten is a metal which is a bad conductor of heat and electricity.

Detailed explanation-4: -Non-metals are bad conductors of heat and electricity, therefore the given statement is false. Generally, non-metals are not conductors of electricity.