atomic_number: 37
symbol: Rb
name: Rubidium
category: AlkaliMetal
category_label: Alkali Metal
period: 5
group: 1
group_label: 1 IA
block: s
grid_row: 5
grid_col: 1
phase: solid
lab_made: false
radioactive_marker: false
is_radioactive: false
atomic_mass: '85.468'
atomic_mass_value: 85.468
atomic_mass_most_stable_isotope: false
oxidation_states: '*1*'
oxidation_states_parsed:
- state: '1'
  common: true
ionization_energy: '4.177'
ionization_energy_ev: 4.177
electron_configuration: '[Kr] 5s^{1}'
electron_configuration_formatted: '[Kr]5s¹'
electron_configuration_html: '[Kr]5s<sup>1</sup>'
atomic_radius: '3.03'
atomic_radius_angstrom: 3.03
electron_affinity: '0.4859'
electron_affinity_ev: 0.4859
rsc_url: https://www.rsc.org/periodic-table/element/37/rubidium