Encyclopedia

transactinide elements

transactinide elements (trăns"ăk'tunīd") [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.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved.

More on transactinide elements from Fact Monster:

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