transactinide elements

transactinide elements (trănsˌăkˈtənĪdˌ) [key], in chemistry, elements with atomic numbers greater than that of lawrencium (at. no. 103), the last member of the actinide series. See transuranium elements.

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More on transactinide elements from Fact Monster:

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  • ununhexium - ununhexium ununhexium , artificially produced radioactive chemical element; symbol Uuh; at. no. ...
  • ununtrium - ununtrium ununtrium, artificially produced radioactive chemical element; symbol Uut; at. no. 113; ...

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