At
Name
Astatine
Atomic Number
85
Atomic Weight
[294]
β- Configuration
[Xe]6s25d104f146p5
Melting Point
576°F
Boiling Point
639°F
Triple Point
unknown
Density
12.3210±0.2910 slug/ft3
Oxidation States
+7, +5, +3, +1, -1
Electronegativity
2.20