Calcium CA

chemistry

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Characteristics Of Calcium

1. Calcium isn't found free in nature

2. It can be purified into a soft silvery- white alkaine metal.

3. Calcium is the 5th most abundant element in the earth's crust.

4. Present at a level of about 3% in the oceans and soil.

5. It's classification is metallic.

uses of calcium

  1. calcium can be used in the production of some metals.
  2. calcium phosphate is used in animal feed and fertilizers.
  3. calcium carbonate is used to make cement and mortar.
  4. calcium as also be used in a lot of food for humans.
  5. calcium also is often used as medicinces for humans.

price of calcium


  • cost, pure: $20 per 100g
  • Cost, bulk: $ per 100g
  • Calcium occurs in nature in various minerals including limestone (calcium carbonate), gypsum (calcium sulfate) and fluorite (calcium fluoride). Commercially it can be made by the electrolysis of molten calcium chloride, CaCl2. The pure metal can also be produced by replacing the calcium in lime (CaCO3) with aluminum in hot, low pressure retorts.