英语词汇“ionium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ionium
释义	ionium [ ahy-oh-nee-uhm ] / aɪˈoʊ ni əm / noun Chemistry. a naturally occurring radioactive isotope of thorium. Symbol: Io; atomic number: 90; atomic weight: 230. Origin of ionium First recorded in 1905–10; ion + -ium Words nearby ionium Ionian Sea, ionic, ionic bond, ionic propulsion, ion implantation, ionium, ionization, ionization chamber, ionization or ionizing, ionization potential, ionize Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for ionium Ionium expels an alpha particle and becomes radium, which is a bivalent element resembling barium belonging to the second group. A Brief Account of Radio-activity\|Francis Preston Venable British Dictionary definitions for ionium ionium / (aɪˈəʊnɪəm) / noun obsolete a naturally occurring radioisotope of thorium with a mass number of 230Symbol: Io Word Origin for ionium C20: from New Latin, from ion + -ium Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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ionium