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 ...

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 a chemical bond, the more electronegative atom gains extra electrons, becoming negatively charged, while the less electronegative atom loses electrons and becomes positively charged. The difference ...

More information: Feifan Liu et al, Polarity transitions of narrow bipolar events in thundercloud tops reaching the lower ...