atomic_number: 43
symbol: Tc
name: Technetium
category: TransMetal
category_label: Transitional Metal
period: 5
group: 7
group_label: 7 VIIB
block: d
grid_row: 5
grid_col: 7
phase: solid
lab_made: true
radioactive_marker: false
is_radioactive: true
atomic_mass: '[98]'
atomic_mass_value: 98.0
atomic_mass_most_stable_isotope: true
oxidation_states: '*7*'
oxidation_states_parsed:
- state: '7'
  common: true
ionization_energy: '7.28'
ionization_energy_ev: 7.28
electron_configuration: '[Kr] 4d^{5}5s^{2}'
electron_configuration_formatted: '[Kr]4d⁵5s²'
electron_configuration_html: '[Kr]4d<sup>5</sup>5s<sup>2</sup>'
atomic_radius: '2.16'
atomic_radius_angstrom: 2.16
electron_affinity: '0.55'
electron_affinity_ev: 0.55
rsc_url: https://www.rsc.org/periodic-table/element/43/technetium