Gd
Gadolinium
64
Atomic Number: 64
Atomic mass: 157.253
Ionization energy: 593
Electronaffinity: -50
Covalent radius:
Calculated radius: 233
Empirical radius: 180
Vanderwaals radius:
Electronegativity: 1.2
Density: 7.9
Oxidation states: 1, 2, 3
Melting point: 1586
Boiling point: 3523
Electron configuration: [Xe] 4f7 5d1 6s2
Element group: 11
Element period: 8

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