atomic_number: 14
symbol: Si
name: Silicon
category: Metalloid
category_label: Metalloid
period: 3
group: 14
group_label: 14 IVA
block: p
grid_row: 3
grid_col: 14
phase: solid
lab_made: false
radioactive_marker: false
is_radioactive: false
atomic_mass: '28.085'
atomic_mass_value: 28.085
atomic_mass_most_stable_isotope: false
oxidation_states: '*4* -4'
oxidation_states_parsed:
- state: '4'
  common: true
- state: '-4'
  common: false
ionization_energy: '8.152'
ionization_energy_ev: 8.152
electron_configuration: '[Ne] 3s^{2}3p^{2}'
electron_configuration_formatted: '[Ne]3s²3p²'
electron_configuration_html: '[Ne]3s<sup>2</sup>3p<sup>2</sup>'
atomic_radius: '2.1'
atomic_radius_angstrom: 2.1
electron_affinity: '1.389'
electron_affinity_ev: 1.389
rsc_url: https://www.rsc.org/periodic-table/element/14/silicon