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The alkali metal cesium, is silvery-white, soft and ductile. It has the lowest melting point of any alkali metal. Cesium reacts violently with water and due to its reaction with oxygen, should be stored in the absence of air. Located in the lower left-hand corner of the periodic table, cesium is the most electropositive element and has the lowest ionization potential.
|Property Name||Property Value||Property Name||Property Value|
|Atomic Code||(55Cs132.9054)||Atomic Volume||70W/D|
|CAS #||7440-46-2||First Ionization Energy||90K-cal/g-mole|
|Melting Point||28.4°C||Covalent Radius||2.35Angstroms|
|Boiling Point||671°C||Electrical Resistivity @ 20°C||20.0µΩ-cm|
|Density @ 18°C||1.873g/cm3||Crystal Structure||Cubic, body centered|
|Specific Heat @ 20°C||0.052cal/g°C||Thermal Neutron Cross Section||20.0barns/atom|
|Heat of Fusion||3.913cal/g||Magnetic Susceptibility||0.10x10-6cgs|
|Heat of Vaporization||146cal/g||Ionization Potential||3.893eV|