Question

What is covalent bond?

Answer 1

a bond formed between 2 non metals in which sharing of electrons take place is known as covalent bond

Answer 2

The bond formed due to sharing of electrons between two atoms(generally non metals) called covalent bond..
covalent bonds are of two types ...
1) polar covalent
bond
2) non-polar covalent bond
the bond formed between two similar atoms called non-polar covalent bond whereas the bond formed between two disimilar atoms having some electronegativity difference called polar covalent bond.