atomic_number: 41
symbol: Nb
name: Niobium
category: TransMetal
category_label: Transitional Metal
period: 5
group: 5
group_label: 5 VB
block: d
grid_row: 5
grid_col: 5
phase: solid
lab_made: false
radioactive_marker: false
is_radioactive: false
atomic_mass: '92.906'
atomic_mass_value: 92.906
atomic_mass_most_stable_isotope: false
oxidation_states: '*5* 3'
oxidation_states_parsed:
- state: '5'
  common: true
- state: '3'
  common: false
ionization_energy: '6.759'
ionization_energy_ev: 6.759
electron_configuration: '[Kr] 4d^{4}5s^{1}'
electron_configuration_formatted: '[Kr]4d⁴5s¹'
electron_configuration_html: '[Kr]4d<sup>4</sup>5s<sup>1</sup>'
atomic_radius: '2.18'
atomic_radius_angstrom: 2.18
electron_affinity: '0.916'
electron_affinity_ev: 0.916
rsc_url: https://www.rsc.org/periodic-table/element/41/niobium