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chemistry igcse acapprinted 51 · PDF 51
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51
Diamond
• Graphite
• Silicon (Structure is similar to Diamond)
• Silicon(IV) Oxide / Silicon Dioxide / Silica
Diamond:
• Diamond consists of carbon atoms. Each carbon atom is bonded with four
other carbon atoms.
Diamond:
• Has a tetrahedral structure.
• Has a high melting/boiling point.
• Is extremely hard/strong.
• Does not conduct electricity (no freely moving electrons).
• Is used in making cutting tools and ornaments.