|Origin of Name
||From the Greek word astatos, meaning unstable
|Date and Place of Discovery
||At the University of California in 1940
||Dale R. Corson, K.
R. MacKenzie, Emilio Segrč
- There is less than one ounce of astatine in the entire earth's crust and exists as a result
of uranium and thorium decay.
- Because it is scarce, it is mostly produced by bombarding bismuth
with alpha particles.
- Only about .05 micrograms of astatine have been produced so far.
- It was synthesized by Corson, MacKenzie and Segrč by bombarding
bismuth with alpha particles.
- It is highly reactive.
- It behaves like other halogens, especially like
iodine and may accumulate in the human
- It is more metallic than
- There are no known uses for astatine.