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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. 33Please respect copyright.ＰＥＮＡＮＡmWVVm2BWIS
However, a carbon atom has a smaller atomic size than a silicon atom.33Please respect copyright.ＰＥＮＡＮＡp9C4couofW
Thus the C-C bond in diamond is shorter than the Si-Si bond in silicon. 33Please respect copyright.ＰＥＮＡＮＡwRS1oqemPd
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. 33Please respect copyright.ＰＥＮＡＮＡRpJTbgaQLC
Diamond has a higher melting point.
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