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Calcium

Published on Nov 21, 2015

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PRESENTATION OUTLINE

Calcium

by: Emily C   1st period

The symbol for calcium is Ca

origin of the name calcium:

the word calcium came from the latin word "calx" which means lime.

This is a Bohr model for calcium

Photo by hmomoy

Calcium was discovered by Sir Humphrey Davy in 1808.He discovered it by mixing lime and mercury oxide which made calcium.

The Romans made calcium in the first century, and they used it for setting broken bones.

Photo by irisb477

Uses of Calcium

  • calcium carbonate, (limestone)
  • calcium sulfate, (used for setting bones)
Photo by dbking

Calcium is made by mixing lime and mercuric oxide.

melting point- 1548 degrees F

boiling point- 2703 degrees F
Photo by cobalt123

The density is 1.54 grams per cubic centimeter.

Physical Properties of Calcium

  • it's a silvery-white color
  • it's a solid
  • relatively soft
  • cubic
Photo by tochis

Chemical Properties of Calcium

  • highly reactive
  • catches on fire when heated in the air or in oxygen

Some Calcium Compounds

  • calcium carbonate
  • calcium telluride
  • calcium selenide
  • calcium sulphide
  • calcium oxide

Facts about calcium

  • Calcium is the 5th most abundant element in the world.
  • We need calcium in order to live.
  • If you take in too much calcium, you can get milk-alkali syndrome.
  • Calcium is used in cement and cheese.
  • We need vitamin D to absorb calcium.
Photo by Poe Tatum

Cubic
An incredible element
Likely to catch on fire
Can be bent easily
Incredibly reactive
U need it to live
Melting point-1548 degrees