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f-Block Positions of La and Ac in the tableSubmitted by WebElements on 4 October 2006 - 7:57am.The positions of the elements La, Ac, Lu, and Lr in the WebElements periodic table is justified in the article by William B. Jensen, J. Chem. Ed., 1982, 59, 634. Elements 117, and 118 are not known at the time of writing, but are shown "greyed-out" in the tables at their expected positions for information. |
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