It may be considered as forming a bond between them, known as the hydrogen ... like water, the association of carboxylic acids, alcohols, amides, etc., the closure of rings within the molecule ...

is that water continues to look - for the most part - like ice with four hydrogen bonds around each molecule. The difference in the liquid form is that, at a given time, approximately 10 percent ...

Any molecule that has the necessary properties can form hydrogen bonds, and in this case the researchers used 8-hydroxyquinoline because it's considerably more stable than water and easier to ...