In the water molecule, the oxygen and hydrogen atoms share electrons in covalent bonds ... attract and hold one molecule to another. Alcohol has one O–H bond which is polar, but a large portion of the ...

Charged amino acid side chains can form ionic bonds, and polar amino acids are capable of forming hydrogen bonds. Hydrophobic side chains interact with each other via weak van der Waals interactions.

"With only lunar soil and a basic ingredient from the sun — which is always spitting out hydrogen — there's a possibility of creating water." ...

This is due to the water expanding as it is frozen because of the hydrogen forming an open type lattice. high surface tension relatively high viscosity All ionic lattices and polar covalent ...

and hydrogen bonds on polar polymers. In other words, the apparent universality of polydopamine as a coating platform is not predicated on a single type of molecular interaction with underlying ...

showing its double-ring purine structure and the functional groups involved in hydrogen bonding with cytosine. (Image: Public Domain) Guanine has the chemical formula C₅H₅N₅O and a molecular weight of ...