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Calcium was discovered by Humphry Davy in England in 1808.

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The name calcium comes from the Latin names ¨calx, calcís¨

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It is obtained by treatment of carbonate minerals with hydrochloric acid or as a waste from the Solvay carbonate process.

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It is a metallic element with electrical and thermal conductivity, reddish in color... the metal is resistant, harder than sodium, but softer than aluminum.

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Calcium is very important because it is the mineral that makes our bones strong and is used in foods such as yogurt, cheese...