Question

Please help me understand how to identify a polar covalent compound and a non-polar covalent compound.

Answer 1

You will study it in only in Class 12.
Concept : Pauling Scale (Class 12)

With using linus pauling skema, we will have to determine the difference of electronegativity.
Pauling scale(χr), on a relative scale running from around 0.7 to 3.98 (hydrogen = 2.20)

The higher value of pauling scale is ionic, and then colavent polar and then covalent non polar