Chemical Bonds in Silicon Carbide (SiC)

What type of bond is present in silicon carbide (SiC)?

a) Ionic bond

b) Covalent bond

c) Metallic bond

Answer:

The bonds present in silicon carbide (SiC) are covalent bond.

Silicon carbide (SiC) is a covalent network solid, which means it consists of a network of covalent bonds joining together all the atoms in a crystal into a giant molecule. In the case of SiC, the bond formed between silicon (a non-metal) and carbon (also a non-metal) is a covalent bond.

Covalent bonds are formed when atoms share electrons, typically between two non-metal elements. In the crystal structure of silicon carbide, each silicon atom is covalently bonded to four carbon atoms, forming a strong and stable network.

This type of bond gives silicon carbide its unique properties, such as high hardness, thermal conductivity, and resistance to chemical corrosion. It is widely used in various industrial applications, including abrasives, cutting tools, and semiconductors.

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