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calcium

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by

Karla Gonzalez

on 30 May 2013

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Transcript of calcium

CALCIUM BY: KARLA GONZALEZ element name symbol: atomic mass atomic number : calcium Ca : 20 these foods are calcium enriched. this means that they have lots of calcium in them and they are good for you to grow healthy and have strong bones. origin: its name comes from the latin word calcis (lime). its obtained from chalk, marble and limestone
discoverer: Sir Humphrey Davy
date of discovery: 1808
where found, what form: calcium can be found in milk, many nuts and many vegetables. it is usually in the form of food or in pills. Did You Know? common uses: often used in chalk
can be found in many foods such as some nuts, beans, and many vegetables. it is also found in milk and juices.
disinfecting pools
used in making limestone, motar, cement and glass.
calcium phosphide is used in making fireworks, and in bombs for military uses interesting facts melting point: 1,542 f or 838.8 c
boiling point: 2,703 f or 1,484 c
density: 1.54 grams per cubic centimeter
abundance in earth's crust: 5th most abundant : FUN TIME! chalk marble limestone Sir Humphrey Davy calcium enriched foods 40.078 amu Bibliography http://www.chemicalelements.com/elements/ca.html http://www.buzzle.com/articles/calcium-uses-of-calcium.html THE END! energy level of calcium
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