We are asked to determine what to expect regarding the characteristic properties of the bonding in silicon carbide (SiC).
Silicon carbide, also known as carborundum, is a unique compound of carbon and silicon and is one of the hardest available materials.
Recall that the types of solids are:
• Ionic solid: composed of a metal and a nonmetal as ions.
• Molecular solid: composed of covalent bonds.
• Metallic solid: composed of metal and another metal or just a metal by itself.
• Covalent solid: also called a network solid where atoms are bonded by covalent bonds in a single continuous network.
Silicon carbide, SiC, has the three-dimensional structure shown in the figure.
Would you expect the bonding in SiC to be predominantly ionic, metallic, or covalent?
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