Calcium

By: Natalie Shrewsberry

History

  • Calcium was discovered in England in 1808 by a man named Sir Humphrey Davy.
  • Calcium come from the Latin word calx which means lime.

Uses

  • plaster
  • cement
  • limestone

Description

Calcium is a hard grey silvery metal.

  • Name: calcium
  • Symbol: Ca
  • Atomic number: 20
  • Atomic Mass: 40.078
  • Color: silvery white
  • Classification: Metallic
  • Group: 2
  • Period: 4

Biology

  • teeth
  • bones
  • cell walls
  • blood clotting

Geology

  • limestone
  • gypsum
  • fluorite
  • leaves
  • shells

Properties

  • Density-1550kg m-3
  • Melting Point-842 degrees C/2703 degrees F

Interesting Facts

  • fifth most abundant element in the Earth's crust
  • calcium carbonate is the base of the cement industry