atomic_number: 76
symbol: Os
name: Osmium
category: TransMetal
category_label: Transitional Metal
period: 6
group: 8
group_label: 8 VIIIB
block: d
grid_row: 6
grid_col: 8
phase: solid
lab_made: false
radioactive_marker: false
is_radioactive: false
atomic_mass: '190.23'
atomic_mass_value: 190.23
atomic_mass_most_stable_isotope: false
oxidation_states: 8 6 *4* 3 2 0 -2
oxidation_states_parsed:
- state: '8'
  common: false
- state: '6'
  common: false
- state: '4'
  common: true
- state: '3'
  common: false
- state: '2'
  common: false
- state: '0'
  common: false
- state: '-2'
  common: false
ionization_energy: '8.438'
ionization_energy_ev: 8.438
electron_configuration: '[Xe] 4f^{14}5d^{6}6s^{2}'
electron_configuration_formatted: '[Xe]4f¹⁴5d⁶6s²'
electron_configuration_html: '[Xe]4f<sup>14</sup>5d<sup>6</sup>6s<sup>2</sup>'
atomic_radius: '2.16'
atomic_radius_angstrom: 2.16
electron_affinity: '1.1'
electron_affinity_ev: 1.1
rsc_url: https://www.rsc.org/periodic-table/element/76/osmium