A substance that contains polar covalent bonds may not be overall polar. This is due to the shape of the molecule. Water molecules are polar molecules. Both of the bonds inside the molecule are ...

In the water molecule, the oxygen and hydrogen atoms share electrons in covalent bonds. There are a total of 10 protons ... Electrons can be shared unequally in a molecule, creating a polar molecule.

This vital theoretical concept in chemistry, first introduced by American chemist Linus Pauling in 1932 as ‘the power of an atom in a molecule to attract electrons ... with a large difference ...