atomic_number: 35
symbol: Br
name: Bromine
category: Halogen
category_label: Halogen
period: 4
group: 17
group_label: 17 VIIA
block: p
grid_row: 4
grid_col: 17
phase: liquid
lab_made: false
radioactive_marker: false
is_radioactive: false
atomic_mass: '79.904'
atomic_mass_value: 79.904
atomic_mass_most_stable_isotope: false
oxidation_states: 7 5 3 1 *-1*
oxidation_states_parsed:
- state: '7'
  common: false
- state: '5'
  common: false
- state: '3'
  common: false
- state: '1'
  common: false
- state: '-1'
  common: true
ionization_energy: '11.81'
ionization_energy_ev: 11.81
electron_configuration: '[Ar] 3d^{10}4s^{2}4p^{5}'
electron_configuration_formatted: '[Ar]3d¹⁰4s²4p⁵'
electron_configuration_html: '[Ar]3d<sup>10</sup>4s<sup>2</sup>4p<sup>5</sup>'
atomic_radius: '1.85'
atomic_radius_angstrom: 1.85
electron_affinity: '3.364'
electron_affinity_ev: 3.364
rsc_url: https://www.rsc.org/periodic-table/element/35/bromine