atomic_number: 56
symbol: Ba
name: Barium
category: AlkalineEarthMetal
category_label: Alkaline Earth Metal
period: 6
group: 2
group_label: 2 IIA
block: s
grid_row: 6
grid_col: 2
phase: solid
lab_made: false
radioactive_marker: false
is_radioactive: false
atomic_mass: '137.327'
atomic_mass_value: 137.327
atomic_mass_most_stable_isotope: false
oxidation_states: '*2*'
oxidation_states_parsed:
- state: '2'
  common: true
ionization_energy: '5.212'
ionization_energy_ev: 5.212
electron_configuration: '[Xe] 6s^{2}'
electron_configuration_formatted: '[Xe]6s²'
electron_configuration_html: '[Xe]6s<sup>2</sup>'
atomic_radius: '2.68'
atomic_radius_angstrom: 2.68
electron_affinity: '0.1446'
electron_affinity_ev: 0.1446
rsc_url: https://www.rsc.org/periodic-table/element/56/barium