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 ...

All ionic compounds have a high melting point ... Ether is a symmetrical molecule, so even though it contains polar bonds, the molecule itself is non-polar and the only intermolecular force ...

This is what keeps the atom together. Electrons are attracted to the protons of other atoms. This is what causes atoms to bond and what holds a molecule together. Electrons can be shared unequally in ...