Cs
Cesium
55
Atomic Number: 55
Atomic mass: 132.90545192
Ionization energy: 376
Electronaffinity: -46
Covalent radius: 225
Calculated radius: 298
Empirical radius: 260
Vanderwaals radius:
Electronegativity: 0.79
Density: 1.88
Oxidation states: 1
Melting point: 302
Boiling point: 944
Electron configuration: [Xe] 6s1
Element group: 1
Element period: 6

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