atomic_number: 103
symbol: Lr
name: Lawrencium
category: Actinide
category_label: Actinide
period: 7
group: null
group_label: Actinide
block: f
grid_row: 10
grid_col: 18
phase: solid
lab_made: true
radioactive_marker: false
is_radioactive: true
atomic_mass: '[262]'
atomic_mass_value: 262.0
atomic_mass_most_stable_isotope: true
oxidation_states: '*3*'
oxidation_states_parsed:
- state: '3'
  common: true
ionization_energy: '4.9'
ionization_energy_ev: 4.9
electron_configuration: '[Rn] 5f^{14}7s^{2}7p^{1}'
electron_configuration_formatted: '[Rn]5f¹⁴7s²7p¹'
electron_configuration_html: '[Rn]5f<sup>14</sup>7s<sup>2</sup>7p<sup>1</sup>'
atomic_radius: '2.46'
atomic_radius_angstrom: 2.46
electron_affinity: U
electron_affinity_ev: null
rsc_url: https://www.rsc.org/periodic-table/element/103/lawrencium