atomic_number: 58
symbol: Ce
name: Cerium
category: Lanthanide
category_label: Lanthanide
period: 6
group: null
group_label: Lanthanide
block: f
grid_row: 9
grid_col: 5
phase: solid
lab_made: false
radioactive_marker: false
is_radioactive: false
atomic_mass: '140.116'
atomic_mass_value: 140.116
atomic_mass_most_stable_isotope: false
oxidation_states: 4 *3*
oxidation_states_parsed:
- state: '4'
  common: false
- state: '3'
  common: true
ionization_energy: '5.539'
ionization_energy_ev: 5.539
electron_configuration: '[Xe] 4f^{1}5d^{1}6s^{2}'
electron_configuration_formatted: '[Xe]4f¹5d¹6s²'
electron_configuration_html: '[Xe]4f<sup>1</sup>5d<sup>1</sup>6s<sup>2</sup>'
atomic_radius: '2.42'
atomic_radius_angstrom: 2.42
electron_affinity: '0.65'
electron_affinity_ev: 0.65
rsc_url: https://www.rsc.org/periodic-table/element/58/cerium