Glenn Theodore Seaborg1944
Proposes that the heavy elements beginning with actinium form a separate actinide series analogous to the lanthanides, reshaping the lower part of the periodic table.
United States of America · Science / Chemistry. Chronological records rendered directly from the World History Database.
Proposes that the heavy elements beginning with actinium form a separate actinide series analogous to the lanthanides, reshaping the lower part of the periodic table.
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