This web page is a one stop shop for all of the information about Astatine, the rarest element on the planet.
All of the information is on the pages linked to the left.

This is At - 218 with a half life of about 1.6 seconds. It is part of the decaying process of Uranium.
www.lispme.de/ pse/85_At_en.html
This web page made by Chris Riley. Questions or comments e-mail me here.
For more information about Chemistry I at Cary Academy visit All Atoms