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 ...

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 ...

Carbon (C): Carbon, a nonmetallic element, forms a number of organic and inorganic compounds and can be found in coal, petroleum and limestone. It is the principle strengthening element in carbon ...