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Potassium

Potassium. By: Tracie McDowell. Basic info. Name: Potassium Symbol: K Atomic number: 19 Atomic mass: 39.098. Groups:. Group1: metal Group2: Alkali metal. The element: Potassium. Atomic number. Valence shell electrons. name. symbol. Atomic mass. Natural or man-made?.

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Potassium

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  1. Potassium By: Tracie McDowell

  2. Basic info • Name: Potassium • Symbol: K • Atomic number: 19 • Atomic mass: 39.098

  3. Groups: • Group1: metal • Group2: Alkali metal

  4. The element: Potassium Atomic number Valence shell electrons name symbol Atomic mass

  5. Natural or man-made? • Potassium is a natural substance • It is also an alkali metal

  6. Discovered? • The name potassium is from the English word ‘potash’. It originally meant an alkali extracted in water in a pot of ash of burnt wood or leaves • Sir Humphry Davy discovered it in 1807.

  7. Chemical and physical properties • Physical properties: soft, easy to cut with a knife, shiny in appearance immediately after a fresh surface is exposed. • Chemical properties: one of the most reactive metals, rapidly oxidizes in air

  8. Where it’s found • It is usually found in the deep sea. • It cannot be found in nature.

  9. Common uses • The most common use for this element is in fertilizers.

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