Radium (thing)

Radium
Symbol: Ra
Atomic Number: 88
Atomic Weight: 226 (most stable)
Boiling Point: 1413 K
Melting Point: 973 K
Density at 300K: 5.0 g/cm³
Covalent radius: ???
Atomic radius: ???
Atomic volume: 45.2 cm³/mol
First ionization potental: 5.279 V
Specific heat capacity: 0.094 Jg^-1K^-1
Thermal conductivity: 18.6 Wm^-1K^-1
Electrical conductivity: 1.0*10⁶Ω^-1m^-1
Heat of fusion: 8.37 kJ/mol
Heat of vaporization: 136.82 kJ/mol
Electronegativity: 0.89 (Pauling's)

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