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Bria Bowie By: Period:6

Potassium (K). Bria Bowie By: Period:6. Basic Information. Symbol: K Atomic Number:19 Atomic Mass:39.10 Boiling Point: 1032K Melting Point: 336.53K Density: 0.89 grams Protons: 19 Electrons:19 Neutrons: 20 Valence Electrons: 1. Element Facts. Abundant physical state: solid

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Bria Bowie By: Period:6

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  1. Potassium (K) Bria Bowie By: Period:6

  2. Basic Information • Symbol: K • Atomic Number:19 • Atomic Mass:39.10 • Boiling Point: 1032K • Melting Point: 336.53K • Density: 0.89 grams • Protons: 19 • Electrons:19 • Neutrons: 20 • Valence Electrons: 1

  3. Element Facts • Abundant physical state: solid • Configuration:1s2 2s2 2p6 3s2 3p6 4s1 • Element group: 1 • Element period: 4 • Usual charge: +1 • Color of Element: White • Odor of Element: odorless

  4. The History of Potassium • Toxicity of Element: Diarrhea, nausea, vomiting, irregular heart breathing • Common isotopes: K-40 and K-41 • Abundance: The 7th 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

  5. 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.

  6. Works Cited • Potassium Facts. http://chemistry.about.com/od/elementfacts/a/potassium.htm. Anne Marie. 2010.Web. 5/27/10 • Facts about Potassium. http://www.facts-about.org.uk/science-element-potassium.htm. NP ND. 5/25/10 • Fun Facts about Potassium. http://www.buzzle.com/articles/fun-facts-about-potassium.html. NP. 2010.Web. 5/24/10

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