Ga
Gallium
31
Atomic Number: 31
Atomic mass: 69.7231
Ionization energy: 579
Electronaffinity: -29
Covalent radius: 126
Calculated radius: 136
Empirical radius: 130
Vanderwaals radius: 187
Electronegativity: 1.81
Density: 5.9
Oxidation states: 1, 2, 3
Melting point: 303
Boiling point: 2477
Electron configuration: [Ar] 3d10 4s2 4p1
Element group: 13
Element period: 4

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