atomic_number: 9
symbol: F
name: Fluorine
category: Halogen
category_label: Halogen
period: 2
group: 17
group_label: 17 VIIA
block: p
grid_row: 2
grid_col: 17
phase: gas
lab_made: false
radioactive_marker: false
is_radioactive: false
atomic_mass: '18.998'
atomic_mass_value: 18.998
atomic_mass_most_stable_isotope: false
oxidation_states: '*-1*'
oxidation_states_parsed:
- state: '-1'
  common: true
ionization_energy: '17.42'
ionization_energy_ev: 17.42
electron_configuration: '[He] 2s^{2}2p^{5}'
electron_configuration_formatted: '[He]2s²2p⁵'
electron_configuration_html: '[He]2s<sup>2</sup>2p<sup>5</sup>'
atomic_radius: '1.47'
atomic_radius_angstrom: 1.47
electron_affinity: '3.401'
electron_affinity_ev: 3.401
rsc_url: https://www.rsc.org/periodic-table/element/9/fluorine