- Home About This Site Comments Help Links Window Version Show Table With: Name Atomic Number Atomic Mass Electron Configuration Number of Neutrons Melting Point Boiling Point Date of Discovery Crystal Structure Element Groups: Alkali Metals Alkaline Earth Metals Transition Metals Other Metals Metalloids Non-Metals Halogens Noble Gases Rare Earth Elements Basic Information | Atomic Structure | ...www.chemicalelements.com/elements/at.html
- The Element Astatine - Basic Physical and Historical Information ...education.jlab.org/itselemental/ele085.html
- Discovered : 1940 by D.R.Corson Isolated in California, USA Origin : From the Greek astatos meaning unstable. Description : A dangerously radioactive element made in nuclear reactors, its half life is only eight hours. Image : Unstable and radioactive. ...www.chemsoc.org/viselements/pages/astatine.html