Potassium # Protons: 19 Atomic Number: 39.09 Symbol: K # Valence Electrons: 39 # Electrons: 19 # Neutrons: 20 Boiling Point: 1032 K Element Charge: +1Charge Melting Point: 146.08 Odor of Element: odorless Element Group: Alkali Metals Most abundant physical state: Solid Element Period: 4 Color of Element: Silvery White Atomic Mass: 19 Density: 0.89g-cm Common Isotopes: 24 3 occur naturally K (93.3), K(0.012), K (6.7%) Toxicity of Element: Can only be toxic if kidneys don’t remove it

How did Potassium get its name How did Potassium get its name?: It got its name from Latin word potash as potassium first Isolated from potash Common Uses of Potassium: Used in fertilizers, Microscopic nutrients for plants, amateur rocket propellants, in fire works such as smoke bombs, It keeps your heart beating and your muscles moving, Gunpowder, Glass, Soap, medical. Interesting facts About Potassium: Potassium salts are mined in stases from Germany and the U.S. Makes up about 2.5% of the Earth’s crust Was discovered by Sir Humphrey Davy in 1807 It rapidly oxidizes in the air

Work Cited “Potassium the Essentials”. www.webelements.com web elements, n.d. Web. 27 Mar. 2010.