atomic_number: 21
symbol: Sc
name: Scandium
category: TransMetal
category_label: Transitional Metal
period: 4
group: 3
group_label: 3 IIIA
block: d
grid_row: 4
grid_col: 3
phase: solid
lab_made: false
radioactive_marker: false
is_radioactive: false
atomic_mass: '44.956'
atomic_mass_value: 44.956
atomic_mass_most_stable_isotope: false
oxidation_states: '*3*'
oxidation_states_parsed:
- state: '3'
  common: true
ionization_energy: '6.561'
ionization_energy_ev: 6.561
electron_configuration: '[Ar] 3d^{1}4s^{2}'
electron_configuration_formatted: '[Ar]3d¹4s²'
electron_configuration_html: '[Ar]3d<sup>1</sup>4s<sup>2</sup>'
atomic_radius: '2.15'
atomic_radius_angstrom: 2.15
electron_affinity: '0.188'
electron_affinity_ev: 0.188
rsc_url: https://www.rsc.org/periodic-table/element/21/scandium