Edexcel IGCSE Chemistry · Spec 1.50
Diamond, Graphite and C60 Compared
Covers compare bonding in three carbon allotropes, Explain hardness and conductivity and Explain melting-point differences.
Chemistry revision video
Diamond, Graphite and C60 Compared
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Spec 1.50
What you need to know
- Compare bonding in three carbon allotropes
- Explain hardness and conductivity
- Explain melting-point differences
Active recall
Quick check
Answer each question before opening the answer.
Why is diamond hard?
It has strong covalent bonds in a three-dimensional lattice
Why does graphite conduct?
It has delocalised electrons within its layers
Why does C60 melt below diamond?
Only weak intermolecular forces act between separate C60 molecules
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