A substance that contains polar covalent bonds may not be overall polar ... This means that the molecule itself is non-polar due to symmetry.

A covalent bond is a shared pair of electrons between two non-metal atoms, for example carbon dioxide. Figure caption, Two atoms sharing a pair of electrons. A covalent bond happens when the ...

In the water molecule, the oxygen and hydrogen atoms share electrons in covalent bonds. There are a total of 10 protons and 10 electrons ... Alcohol has one O–H bond which is polar, but a large ...