Rb
Rubidium
37
Atomic Number: 37
Atomic mass: 85.46783
Ionization energy: 403
Electronaffinity: -47
Covalent radius: 211
Calculated radius: 265
Empirical radius: 235
Vanderwaals radius:
Electronegativity: 0.82
Density: 1.53
Oxidation states: 1
Melting point: 312
Boiling point: 961
Electron configuration: [Kr] 5s1
Element group: 1
Element period: 5

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