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Where was the element astatine first synthesized?
ChemistryElements
Quick Answer
Astatine was first synthesized in Berkeley, California, in 1940. It was made by bombarding bismuth with alpha particles.
The Full Story
Astatine was first produced in 1940 at the University of California, Berkeley. Corson, MacKenzie, and Segrè synthesized it by bombarding bismuth with alpha particles in a cyclotron. Astatine is extremely rare and radioactive, which is why it is not found in useful quantities in nature. Its discovery filled a long-missing gap in the halogen group of the periodic table.
Key Facts
1.Synthesized in 1940
2.At UC Berkeley
3.Produced using a cyclotron
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"The rarest halogen was created in a California lab"