Bria Bowie By: Period:6

Basic Information Symbol: K Atomic Number:19 Atomic Mass:39.10 Boiling Point: 1032K Melting Point: K Density: 0.89 grams Protons: 19 Electrons:19 Neutrons: 20 Valence Electrons: 1

Element Facts Abundant physical state: solid Configuration:1s 2 2s 2 2p 6 3s 2 3p 6 4s 1 Element group: 1 Element period: 4 Usual charge: +1 Color of Element: White Odor of Element: odorless

The History of Potassium Toxicity of Element: Diarrhea, nausea, vomiting, irregular heart breathing Common isotopes: K-40 and K-41 Abundance: The 7 th most abundant element. Makes up 24% of the earth’s crust Naturally Occurs: in many minerals, brines, and ocean water Common Uses: fertilizer, essential for plant growth, used in glass

The Discovery Who discovered the element: Sir Humphry Davy When it was discovered: 1807 It got its name from Potash. Potash is a Dutch term describing how the substance was formed from wood ashes. Interesting Fact: This was the first Akali metal that was isolated by electrolysis.

Works Cited Potassium Facts. ssium.htm. Anne Marie Web. 5/27/10 ssium.htm. Anne Marie Web Facts about Potassium. about.org.uk/science-element-potassium.htm. NP ND. 5/25/10http:// about.org.uk/science-element-potassium.htm Fun Facts about Potassium. potassium.html. NP Web. 5/24/10 potassium.html. NP Web