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Alkali Metals Potassium

Alkali Metals Potassium . Origin: Potassium gets its name from the English word potash. Its symbol, K, comes from its Latin word ‘ kalium ’. This comes from the A rab word ‘ alqail ’, which means ‘to roast’. Number of electrons: 19 Number of protons: 19

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Alkali Metals Potassium

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  1. Alkali Metals Potassium • Origin: Potassium gets its name from the English word potash. Its symbol, K, comes from its Latin word ‘kalium’. This comes from the Arab word ‘alqail’, which means ‘to roast’. • Number of electrons: 19 • Number of protons: 19 • This element was is found in nature, but is always attached to another element. • It was discovered by Sir Humphry Davy in 1807. Emily Brewer 5-2 Sir Humphry Davy

  2. Common Uses • Explosives (fireworks, gunpowder…etc…) • Cotton dyes • Helps matches burn • Heat transfer (with sodium) • Fertilizers A mixture of potassium nitrate, sulfur, and charcoal creates gunpowder. Potassium, phosphorus, and nitrogen form fertilizers.

  3. Fun Facts About Potassium • Makes up 31% of the Earth’s crust. • No scent • Reacts violently with water • Never found in nature in pure form • Aids in the function of the nerves • Key factor in heart function and the skeletal system. Potassium reacting with water.

  4. Bibliography Dingle, Adrian. The Periodic Table. Boston: Kingfisher, 2007 Woodford, Chris. Potassium. New York: Benchmark Books, 2003

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