Facts about the History of the Calcium Element; Calcium was discovered by Sir Humphrey Davy in 1808 ...
http://www.periodic-table.org.uk/element-calcium.htm
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Sir Humphry Davy and Jöns Jakob Berzelius
http://wiki.answers.com/Q/Who_discovered_calcium
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Although calcium was known to exist in Roman times as a component of lime, it was not separated out until 1808 when an Englishman, Sir Humphrey Davy, used electrolysis to isolate the element. He dissolved lime in a mercuric oxide mixture an...
http://www.blurtit.com/q542962.html
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Calcium is an atom that was added to the Periodic Table of Elements in 1808, discovered by Sir Humphrey Davy (England) ... Discovered by: Sir Humphrey Davy ; Discovered at: England ; Discovered when: 1808 ; Origin of name: From the Latin word "calx" meaning "lime" ; Hope this helps! If you need further info check the link!
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answers.yahoo.com/question/index?qid=20071015141916AAXM...
answers.yahoo.com/question/index?qid=20071015141916AAXMGHu
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Calcium - Wikipedia, the free encyclopedia
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Calcium (pronounced /ˈkælsiəm/ ) is the chemical element with the symbol Ca and atomic number 20. It has an atomic mass of 40.078 amu. Calcium is a soft grey alkaline earth metal, and is the ...
en.wikipedia.org/wiki/Calcium
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The Element Calcium - Basic Physical and Historical Information ... The Element Calcium; [Click for Isotope Data] ... Although calcium is the fifth most abundant element in the earth's crust, it is never found free in nature since it easily forms compounds by reacting with oxygen and water. Metallic calcium was first isolated...
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education.jlab.org/itselemental/ele020.html
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Calcium was discovered way back in 1808 by a scientist named Humphrey Davy, who named it after the Latin word calcis
http://answers.yahoo.com/question/index?qid=20081002194...
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Calcium was prepared by the Romans in the first century under the name calx but it was not until 1808 that the metal was discovered. It occurs abundantly with limestone, gypsum, and fluorite. The metal is used as a reducing agent in preparing other metals such as thorium and uranium...
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www.tamuk.edu/chemistry/WebElements/calcium_element.htm
www.tamuk.edu/chemistry/WebElements/calcium_element.htm
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Calcium was prepared as lime by the Romans under the name calyx in the 1st century A.D., but the metal was not discovered until 1808. Berzelius and Pontin prepared calcium amalgam by electrolizing lime in mercury.
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environmentalchemistry.com/yogi/periodic/Ca.html
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