Question

Describe the difference between a polar and a nonpolar covalent bond. give and explain an example of each type of bond.

Answer 1

in polar covalent bond two different type of electrons share electrons but in non polar covalent bond two same type of atoms share equal number of electrons 
examples of non polar covalent bonds are cl2,n2,o2
examples of polar covalent bond is wter molecule H2O