Atom the nucleus defines to what chemical element the atom belongs: for example, all copper atoms contain 29 protons. The number of neutrons defines the isotope of the element. The number of electrons influences the magnetic properties of an atom. Atoms can attach to one or more other atoms by chemical bonds to form chemical compounds such as molecules. The ability of atoms to associate and dissociate is responsible for most of the physical changes observed in nature and is the subject of the discipline of chemistry. The idea that matter is made up of discrete units is a very old
Atom Ant Atom" is available on the DVD "Saturday Morning Cartoons 1960s Vol. 1". The episode "Atom Ant Meets Karate Ant" is available on the DVD "Saturday Morning Cartoons 1960s Vol.2". The episode "The Big Gimmick" is available on the DVD "Best of Warner Bros. 25 Cartoon Collection Hanna-Barbera". On October 6, 2015, Warner Archive released "Atom Ant: The Complete Series" on DVD in region 1 as part of their Hanna–Barbera Classics Collection. This is a Manufacture-on-Demand (MOD) release, available exclusively through Warner's online store and Amazon.com. In 2016, "The Atom Ant Show" was made available for download via iTunes Store. Both