Lu
Lutetium
71
Atomic Number: 71
Atomic mass: 174.96681
Ionization energy: 524
Electronaffinity: -50
Covalent radius: 160
Calculated radius: 217
Empirical radius: 175
Vanderwaals radius:
Electronegativity: 1.27
Density: 9.84
Oxidation states: 3
Melting point: 1936
Boiling point: 3675
Electron configuration: [Xe] 4f14 5d1 6s2
Element group: 18
Element period: 8

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