Why does carbon form compounds mainly by covalent bonding?

In the formation of covalent bond

Covalent bond exists in

The compound which has polar covalent bond is

What type of species are formed during homolysis of a covalent bond ?

What type of species are formed during homolysis of a covalent bond?

How do carbon atoms form bonds in so many ways

How these energetically unequal valence electrons form four equivalent covalent bonds in methane molecule?

Which is a covalent compound?

Which is a covalent compound?