Transcript Calcium - PWChem

Calcium
By Monirh Larkpor
Element
 A white metallic element that burns
with a brilliant light.
 It is the fifth most abundant element in
the earth's crust.
 An important component of most
plants, human and animals. WE ALL
need IT to survive.
Chemical symbol
• Calcium is the chemical element with
the symbol Ca
• Atomic number Is 20.
• It has an atomic mass of 40.078 amu.
Calcium is a soft gray alkaline earth
metal.
• Is the fifth most abundant element by
mass in the Earth's crust. ...
Role of calcium
• Help to have a normal function of the
heart.
• Help the nerves and bones.
• Sick babies need a lot calcium and also
need it to grow.
Various form of calcium
• Liquids 80%
(milk)
• Vitamins 72%
(vitamins d
Grain products 11%
Why calcium
• 99 % of calcium is in human body and teeth?
• The remaining one percent is found in the
soft tissues and the blood in the body.
• Calcium works in conjunction with various
parts of the body.
Help to control the pace of your heart.
It allows important nutrients to be able to
move
in and out of the cells in the body.
Plays a crucial role in nerve function and
muscle function.
History
• Calcium is a (Latin word calcis meaning
"lime")
• It came to be known in the first century when
the Ancient Romans prepared lime as calcium
oxide.
• Back in 975 AD notes that plaster of paris
(calcium sulfate), is useful for setting broken
bones.
• It was isolated in 1808 in England
Calcium compounds
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Calcium carbonate (CaCO3)
Calcium hydroxide solution (Ca(OH)2)
Calcium arsenate (Ca3(AsO4)2)
Calcium carbide (CaC2)
Calcium chloride (CaCl2)
Calcium cyclamate (Ca(C6H11NHSO3)2)
Calcium gluconat (Ca(C6H11O7)2)
Daily calcium intake
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0-6 month
7-12 month
1-3 year 500
4-8 year 800
9-18 year
19-50 year
Over 50 year
210
270
1300
1000
1200
Sources
• http://www.fatfreekitchen.com/nutrition
/calcium.html
• http://en.wikipedia.org/wiki/Calcium
• http://www.calciuminfo.com/
• http://www.chemicalelements.com/ele
ments/ca.html