transition element

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dele af overgangsstrækning

трансп.

del af overgangsstrækning

transition elements

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overgangselementer; dele af overgangsstrækning

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

окруж.

dele af overgangsstrækning

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