At+-+Astatine

Tyler H. Astatine Name:Astatine Symbol:At Atomic Number:85 Atomic Mass:210 Standard State: solid Group name: Halogen Period in Periodic Table: 6 Color: metallic Classification: semi metallic

Astatine was discovered by Dale Corson in California and other students at the University of California.Astatine was found in 1940. Astatine is present in earths crust. Astatine also combines with other elements such as halogens, oxygen,and hydrogen. It also has a melting point 576 F, but not a boiling point.

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