There are lots of different substances but only just over a hundred elements. An element is a substance that is made up of only one kind of atom. The atoms in a particular element are the same as each ...

THE recent report of the Joint Committee of the Chemical, Faraday, and Physical Societies on Symbols for Thermodynamical and Physico-Chemical Quantities may be taken as an occasion for some remarks on ...

Discover the fascinating chemistry that makes our world and everything in it—including us. Just about every solid, liquid, or gas in the world as we know it begins with reactions between individual ...