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Explain whether silicon or diamond has a higher melting point in terms of bonding and structure
Both silicon and diamond has a giant covalent structure. Both silicon atoms in silicon and carbon atoms in diamond are held by strong covalent bonds. 171Please respect copyright.ＰＥＮＡＮＡvvjeKiuBEy
However, a carbon atom has a smaller atomic size than a silicon atom.171Please respect copyright.ＰＥＮＡＮＡLQtZ9xmM2s
Thus the C-C bond in diamond is shorter than the Si-Si bond in silicon. 171Please respect copyright.ＰＥＮＡＮＡGMBg170MPG
Hence, the covalent bond between carbon atoms in carbon are stronger than those between silicon atoms in silicon.
A larger amount of energy is needed to break the covalent bond between carbon atoms in diamond. 171Please respect copyright.ＰＥＮＡＮＡbkKI9OLQWi
Diamond has a higher melting point.
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