Barium (thing)

Barium
Symbol: Ba
Atomic Number: 56
Atomic Weight: 137.33
Boiling Point: 2078 K
Melting Point: 1002 K
Density at 300K: 3.59 g/cm³
Covalent radius: 1.98
Atomic radius: 2.78
Atomic volume: 39.0 cm³/mol
First ionization potental: 5.212 V
Specific heat capacity: 0.204 Jg^-1K^-1
Thermal conductivity: 18.4 Wm^-1K^-1
Electrical conductivity: 2.8*10⁶Ω^-1m^-1
Heat of fusion: 8.01 kJ/mol
Heat of vaporization: 140.2 kJ/mol
Electronegativity: 0.89 (Pauling's)

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