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Diamond and graphite show different physical properties although they are made up of carbon and shows same chemical properties. What is this property called? |
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Answer» This property is allotropy. The physical properties are different because the carbon-carbon bonding in both the cases varies. In diamond one carbon atom is bonded with four other carbon atoms with strong covalent bond so it is hard, while in case of graphite each carbon forms two strong bonds with other two carbon atoms and one weak bond is formed with third carbon atom and forms hexagonal rings which slide over each other, so it is soft. |
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