Rubidium (thing)

Rubidium
Symbol: Rb
Atomic Number: 37
Atomic Weight: 85.4678
Boiling Point: 961 K
Melting Point: 312.63 K
Density at 300K: 1.532 g/cm³
Covalent radius: 2.16
Atomic radius: 2.98
Atomic volume: 55.9 cm³/mol
First ionization potental: 4.177 V
Specific heat capacity: 0.363 Jg^-1K^-1
Thermal conductivity: 58.2 Wm^-1K^-1
Electrical conductivity: 47.8 10⁶Ω^-1m^-1
Heat of fusion: 2.34 kJ/mol
Heat of vaporization: 69.2 kJ/mol
Electronegativity: 0.82 (Pauling's)

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