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1 переходный химический элемент
переходный химический элемент
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
transition element
One of a group of metallic elements in which the members have the filling of the outermost shell to 8 electrons interrupted to bring the penultimate shell from 8 to 18 or 32 electrons; includes elements 21 through 29 (scandium through copper), 39 through 47 (yttrium through silver), 57 through 79 (lanthanum through gold), and all known elements from 89 (actinium) on. (Source: MGH)
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Русско-французский словарь нормативно-технической терминологии > переходный химический элемент
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