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 ...

Discover the magic of compounding and why it's important for increasing wealth Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business ...

an element contains just one type of atom a compound contains two or more types of atom joined together a mixture contains two or more different substances that are not joined together the different ...