Pt
Platinum
78
Atomic Number: 78
Atomic mass: 195.0849
Ionization energy: 870
Electronaffinity: -205
Covalent radius: 128
Calculated radius: 177
Empirical radius: 135
Vanderwaals radius: 175
Electronegativity: 2.28
Density: 21.09
Oxidation states: 2, 4, 5, 6
Melting point: 2041
Boiling point: 4098
Electron configuration: [Xe] 4f14 5d9 6s1
Element group: 10
Element period: 6

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