• Astatine - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Astatine Astatine is a very rare radioactive chemical element with the chemical symbol At and atomic number 85. It occurs on Earth as the decay product of various heavier ...
  • Astatine »the essentials [WebElements Periodic Table]

    www.webelements.com/astatine This WebElements periodic table page contains the essentials for the element astatine
  • Astatine - Chemicool

    www.chemicool.com/elements/astatine.html Astatine's properties, interesting facts, discovery, videos, images, states, energies, appearance and characteristics.
    • It's Elemental - The Element Astatine

      education.jlab.org/itselemental/ele085.html What's in a name? From the Greek word for unstable, astatos. Say what? Astatine is pronounced as AS-teh-teen or as AS-teh-ten. History and Uses: Astatine was produced ...
    • Astatine - Element information, properties and uses ...

      www.rsc.org/periodic-table/element/85/astatine Element Astatine (At), Group 17, Atomic Number 85, p-block, Mass [210]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
    • astatine (At) | chemical element | Britannica.com

      www.britannica.com/science/astatine Astatine (At), astatine radioactive chemical element and the heaviest member of the halogen elements, or Group 17 (VIIa) of the periodic table.