This is what causes atoms to bond and what holds a molecule together. Electrons can be shared unequally in a molecule, creating a polar molecule. Opposite polar ends of molecules attract and hold one ...

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 ...

The polar part of alcohol is attracted to and interacts with polar water molecules and causes alcohol to dissolve. The polar parts of the glucose molecule are attracted to and interact with water and ...

Previously, it was thought that only the polar region, and in particular ... which can bind with oxygen there to produce the molecule. "Putting all the evidence together, we see a lunar surface ...