Give an example of covalent solid?

Covalent Solid:

1. A wide range of crystalline solids of non-metal form covalent bonds between adjacent atoms throughout the crystal and form giant molecules or large molecules.
2. These solids are hard as diamond and soft like graphite which are isotopes of carbon.
3. Generally, they are insulators as in the case of a diamond but in the case of graphite due to free electrons, they conduct electricity and act as a conductor.
4. Example: Silicon Carbide ($\mathrm{SiC}$), Carbon tetrachloride (${\mathrm{CCl}}_4$).

Therefore, Silicon Carbide ($\mathrm{SiC}$) is an example of a covalent solid.