The elemental composition of diamond is

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Carbon and Hydrogen

Carbon and Oxygen

Pure Carbon

Pure Silicon

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UPSC NDA-2 – 2024

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Diamond is an allotrope of carbon. This means it is a form of pure carbon where the carbon atoms are arranged in a specific crystal structure (a tetrahedral lattice). Therefore, diamond consists solely of carbon atoms and no other elements. Graphite is another well-known allotrope of pure carbon.

Allotropes are different structural modifications of an element. Diamond is a crystalline allotrope of carbon.

In diamond, each carbon atom is covalently bonded to four other carbon atoms in a rigid, three-dimensional tetrahedral network. This structure makes diamond extremely hard and gives it a high melting point.

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