Electron Configuration

[Xe] 6s2 4f14 5d10 6p5

Astatine means "unstable"
Melting Point: 301.85 oC
Boiling Point: 336.85 oC
Heat of Vaporization: - - J/g
Heat of Fusion: 12.86 J/g
Specific Heat Capacity: - - J/g . Co or - - cal/g . Co
Density: - - g/cm3