atomic_number: 8
symbol: O
name: Oxygen
category: Nonmetal
category_label: Non metal
period: 2
group: 16
group_label: 16 VIA
block: p
grid_row: 2
grid_col: 16
phase: gas
lab_made: false
radioactive_marker: false
is_radioactive: false
atomic_mass: '15.999'
atomic_mass_value: 15.999
atomic_mass_most_stable_isotope: false
oxidation_states: -1 *-2*
oxidation_states_parsed:
- state: '-1'
  common: false
- state: '-2'
  common: true
ionization_energy: '13.62'
ionization_energy_ev: 13.62
electron_configuration: '[He] 2s^{2}2p^{4}'
electron_configuration_formatted: '[He]2s²2p⁴'
electron_configuration_html: '[He]2s<sup>2</sup>2p<sup>4</sup>'
atomic_radius: '1.52'
atomic_radius_angstrom: 1.52
electron_affinity: '1.461'
electron_affinity_ev: 1.461
rsc_url: https://www.rsc.org/periodic-table/element/8/oxygen