Os
Osmium
76
Atomic Number: 76
Atomic mass: 190.233
Ionization energy: 840
Electronaffinity: -106
Covalent radius: 128
Calculated radius: 185
Empirical radius: 130
Vanderwaals radius:
Electronegativity: 2.2
Density: 22.59
Oxidation states: -2, -1, 1, 2, 3, 4, 5, 6, 7, 8
Melting point: 3306
Boiling point: 5285
Electron configuration: [Xe] 4f14 5d6 6s2
Element group: 8
Element period: 6

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