why is graphite softer than diamond gcse
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Because graphite is an alkali metals and it would conduct electricity
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Explanation:
Graphite is a form of carbon in which the carbon atoms form covalent bonds with three other carbon atoms.
This means that each carbon atom has a ‘spare’ electron (as carbon has four outer electrons) which is delocalised between layers of carbon atoms.
These layers can slide over each other, so graphite is much softer than diamond. It is used in pencils, and as a lubricant.
Diamond is a form of carbon in which each carbon atom is joined to four other carbon atoms, forming a giant covalent structure.
As a result, diamond is very hard and has a high melting point. This explains why it is used in cutting tools.
It does not conduct electricity as there are no delocalised electrons in the structure.
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