Astatine
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Element
Name: Astatine
Symbol: At
Atomic Number: 85
Atomic Mass: 210 amu
Number of electrons: 85
Classification: Non-metal
Crystal structure: Unknown
Color: Unknown
Date of Discovery: 1940
Name of Discoverer: D. R. Corson
Name Origin: From Greek astatos
Uses: Unknown
Obtained from: Man-made