The atoms of some elements, like copper, do not join together and instead exist on their own as individual atoms and are not molecules. The atoms of other elements, however, like hydrogen ...

Chemical biologists, working with small molecules, expand our understanding of these central elements of life. Chemical biologists have differing views of the defining features of our field.

And that’s it! Nearly everything in this room, in your room, and in the entire universe, is made of: elements with one kind of atom, compounds containing different types of atoms chemically ...