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Periodic Table

Published on Nov 24, 2015

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PRESENTATION OUTLINE

1.

POTASSIUM

By: Aundrea Steen
2.

WHAT IS IT?

  • Symbol: K
  • Melting point: 146.1*F
  • Boiling Point: 1,398*F
  • Phase at room temp: Solid
  • Element Type: Metal
  • Alkali metal family
  • Discovery: In 1807 in England by Sir Humphrey Davy
3.

USES

  • Photosynthesis
  • Activates a number of enzymes
  • Potassium nitrate is the main explosive ingredient in gunpowder.
  • Used as a healthier alternative to table salt.
Photo by Ted & John Koston
4.

$$COST$$

Cost, pure: $100 per 100g Cost, bulk: $65 per 100g
Photo by Philip Taylor PT
5.

WHERE IS IT FOUND?

Vegetables and Earth's crust
Photo by Paul's Lab
6.

FUN FACTS

  • 1.5 %, by weight, of the earth's crust
  • Least dense known metal
  • Decomposes in water with the evolution of hydrogen
7.

BIBLIOGRAPHY

  • "The Periodic Table." Periodic Table of Elements and Chemistry. N.p., n.d. Web. 20 Oct. 2015.
  • "WebElements Periodic Table: The Periodic Table on the Web." WebElements Periodic Table of the Elements. N.p., n.d. Web. 20 Oct. 2015.

Aundrea Steen