Potassium

Definition: Potassium is a chemical element; it has symbol K (from Neo-Latin kalium) and atomic number 19. It is a silvery white metal that is soft enough to easily cut with a knife. Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure. source: Wikipedia

ID

88480006

ID date

7 Nov 2006

Previous ID

3575511000001103

Name

Potassium