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117Ts294

Tennessine

HalogensBlock pPeriod 7Group 17solid at 20 °C
Configuration :
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵
Atomic mass :
294 u
French :
Tennesse
Predicted propertiesMany physical properties of this element are theoretical calculated values, not experimental measurements. Transactinides (Z ≥ 104) are only synthesized as a few atoms with very short half-lives. Source: IUPAC 2021.
3D Bohr-model representation of the Tennessine atom (symbol Ts, atomic number Z=117). Electron shell configuration: 2, 8, 18, 32, 32, 18, 7 electrons.
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Bohr model · educational

Electron configuration

Full1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁶ 4f¹⁴ 5d¹⁰ 6s² 6p⁶ 5f¹⁴ 6d¹⁰ 7s² 7p⁵
Short[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵
Valence electrons7
KLMNOPQ shells
K2
L8
M18
N32
O32
P18
Q7

Electronegativity

Pauling
Allen
Mulliken (eV)

Atomic radii

Empirical
Calculated
Covalent
Van der Waals

Successive ionisation energies

I₁742.9 kJ/mol
Electron affinity

Oxidation states

-1+1+3+5
Bold states = most common.
Period 7Block pIUPAC Group 17Family Halogens
Sources : NIST Atomic Weights & Isotopic Compositions, IUPAC Recommendations, CODATA. Methodology