Astatine

=** Common Facts **= Astatine is a element of the periodic table it is number 85, Astatine has never been seen by the naked eye because a mass large enough would be immediately vaporised by it's own radioactivity, Astatine was first produced by Dale R. Corson, Kenneth Ross MacKenzie and Emilio Segre at the university of california in 1940. Three years later it was found in nature, Although it is the least abundant

=Use= People use astatine to heal hyperthyroidism, only scientists are allowed to use astatine.


 * =**General Facts**= ||
 * || Name || Astatine ||
 * Symbol || At ||
 * Number || 85 ||
 * Group Number || 17 ||
 * Group || Halogen ||
 * Block || p ||
 * Density || Nil ||
 * Atomic Weight || 210 g/mol ||
 * Atomic Volume || Nil ||  ||