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Copper is a chemical element with the symbol Cu (from Latin: cuprum) and atomic number 29. It is a ductile metal with very high thermal and...
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Lithium From Wikipedia, the free encyclopedia Jump to: navigation, search This article is about the chemical element. For other uses, see Li...
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Potassium Appearance silvery gray Spectral lines of Potassium General properties Name , symbol , number potassium, K, 19 ...
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Rubidium is a chemical element with the symbol Rb and atomic number 37. Rubidium is a soft, silvery-white metallic element of the alkal...
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Francium is a chemical element with symbol Fr and atomic number 87. It was formerly known as eka - caesium and actinium K . [ n...
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Caesium or cesium[note 1] is a chemical element with symbol Cs and atomic number 55. It is a soft, silvery-gold alkali metal with a melting...
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Iron is a chemical element with the symbol Fe (from Latin: ferrum) and atomic number26. It is a metal in the first transition series. It is...
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