Multiple choice

Which of the following is a good conductor of heat and electricity?

  1. Diamond

  2. Anthracite

  3. Granite

  4. Graphite
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Graphite is a form of carbon where atoms are arranged in layers with delocalized electrons that can move freely. This structure allows it to conduct both heat and electricity efficiently, unlike most other non-metals. While diamond is an excellent conductor of heat, it is an electrical insulator.

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