A covalent bond is a shared pair of electrons between two non-metal atoms, for example carbon dioxide ... compounds form what is known as a lattice structure. This is a regular arrangement ...

Their structures are based on hexagonal rings of carbon atoms joined by covalent bonds, although some rings can have five carbon atoms and others have seven atoms. One example of a fullerene is ...

Prior to 2000, many drugs that formed a covalent bond with targets did so non-selectively, which often led to undesired side effects when compared to non-covalent drugs. This led to the belief that ...

They play a crucial role in the structure, function ... Amino acids can be joined together through peptide bonds to form peptides and proteins. A peptide bond is a covalent bond that forms between the ...