Astatine
Symbol:
At
Atomic Number: 85
Atomic Weight: 210 (most stable)
Boiling Point: 610 K
Melting Point: 575 K
Density at 300K: ??? g/cm
3
Covalent radius: 1.47
Atomic radius: 1.43
Atomic
volume: ??? cm
3/mol
First
ionization potental: ??? V
Specific heat capacity: ??? Jg
-1K
-1
Thermal conductivity: 1.7 Wm
-1K
-1
Electrical conductivity: ???*10
6Ω
-1m
-1
Heat of fusion: 12 kJ/mol
Heat of vaporization: 30 kJ/mol
Electronegativity: 2.2 (Pauling's)