单词	transuranic
释义	transuranic /ˌtransjʊˈranɪk / /ˌtrɑːnsjʊˈranɪk/ /ˌtranzjʊˈranɪk/ /ˌtrɑːnzjʊˈranɪk/ adjective Chemistry (Of an element) having a higher atomic number than uranium (92).Berkelium is a transuranic element, with an atomic number of 97 and an atomic mass of 274.0703.... Synthesis of the heavier transuranic elements, as well as of radioisotopes of the natural elements, is sometimes included under the broader umbrella of chemical synthesis. This is the first record of the production of synthetic elements, known as transuranic elements.
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