Cesium
Symbol: Cs
Atomic Number: 55
Atomic Weight: 132.9054
Boiling Point: 944 K
Melting Point: 301.54 K
Density at 300K: 7.87 g/cm3
Covalent radius: 3.35
Atomic radius: 3.34
Atomic volume: 70 cm3/mol
First ionization potental: 3.894 V
Specific heat capacity: 0.24 Jg-1K-1
Thermal conductivity: 35.9 Wm-1K-1
Electrical conductivity: 5.3*106Ω-1m-1
Heat of fusion: 2.092 kJ/mol
Heat of vaporization: 67.740 kJ/mol
Electronegativity: 0.79 (Pauling's)

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