Aids burning. Found in air. Used to treat breathing problems A compound is a substance that contains atoms of two or more different elements, chemically joined together. For example, water is a ...

Researchers commonly use high-throughput screening, especially in cancer research, to identify elements that modulate a given biomolecular ... This mechanism provides an opportunity to identify lead ...

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 ...