why diamond is hard.
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Answer:
diamond, the outer shell of each carbon atom has 4 electrons and again these electrons are shared with 4 other carbon atoms by covalent bonds. This structure helps to form a rigid tetrahedral crystal. This tightly-bonded arrangement makes diamond one of the hardest substances on Earth
In diamond, the outer shell of each carbon atom has 4 electrons and again these electrons are shared with 4 other carbon atoms by covalent bonds. This structure helps to form a rigid tetrahedral crystal. This tightly-bonded arrangement makes diamond one of the hardest substances on Earth.