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AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
October 30, 2019
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sep 20, 1941 - Glenn Seaborg

Description:

Synthesized 6 transuranium elements and suggested a change in the layout of the periodic table.

Added to timeline:

10 months ago
0
0
24
scientific atom timeline

Date:

sep 20, 1941
Now
~ 78 years ago
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