Potassium (thing)

Potassium
Symbol: K
Atomic Number: 19
Boiling Point: 1033 K
Melting Point: 336.8 K
Density at 300K: 0.86 g/cm³
Covalent radius: 2.03
Atomic radius: 2.77
Atomic volume: 45.30 cm³/mol
First ionization potental: 4.341 V
Specific heat capacity: 0.757 Jg^-1K^-1
Thermal conductivity: 102.5 Wm^-1K^-1
Electrical conductivity: 16.4 10⁶Ω^-1m^-1
Heat of fusion: 2.33 kJ/mol
Heat of vaporization: 76.9 kJ/mol
Electronegativity: 0.82 (Pauling's)

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