INTRODUCTION WHAT ARE ATOMS? Atoms are the basic units of matter and the defining structure of elements. The term “atom” comes from the Greek word “atomos” meaning indivisible, because it was once thought that atoms were the smallest things in the universe and could not be divided Origin of Atom Atoms were created after the […]

Read More Atoms

Elements An element is a substance that cannot be broken down into any other substance. Every element is made up of its own type of atom. This is why the chemical elements are all very different from each other. Everything in the universe contains the atoms of at least one or more elements. The periodic […]

Read More Elements