Li
Lithium
3
Atomic Number: 3
Atomic mass: 6.9412
Ionization energy: 520
Electronaffinity: -60
Covalent radius: 134
Calculated radius: 167
Empirical radius: 145
Vanderwaals radius: 182
Electronegativity: 0.98
Density: 0.54
Oxidation states: 1
Melting point: 454
Boiling point: 1615
Electron configuration: [He] 2s1
Element group: 1
Element period: 2

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