Graphite is a macromolecule.
Which statements about graphite are correct?
1 Carbon atoms form four covalent bonds with neighbouring atoms.
2 There are free electrons between layers of carbon atoms.
3 Graphite is a useful lubricant.
4 Graphite is a good conductor of electricity.
1 )
1 and 2
2 )
1, 3 and 4
2, 3 and 4
4 )
3 and 4 only
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