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By Anne Marie Helmenstine, Ph.D.
Sir Humphry Davy (17 December 1778 29 May 1829) was a British chemist and physicist. He discovered several alkali and alkaline earth metals and investigated the properties of the elements chlorine and iodine.
Marie CurieJ.J. ThomsonErnest Rutherford
Anne Marie Helmenstine, Ph.D.
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