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Date: 2013-09-26 19:27:19Periodic table Nuclear physics Synthetic elements Ruthenium Alkali metal Metalloid Ununoctium Radium Ununhexium Chemistry Matter Chemical elements | 26949_PeriodicTable_092613Add to Reading ListSource URL: www2.lbl.govDownload Document from Source WebsiteFile Size: 643,82 KBShare Document on Facebook |