108Hs269

Hassium

Transition metalsBlock dPeriod 7Group 8solid at 20 °C
Configuration :[Rn] 5f¹⁴ 6d⁶ 7s²
Atomic mass :269 u
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Modèle de Bohr · pédagogique

Electron configuration

Full[Rn] 5f¹⁴ 6d⁶ 7s²
Short[Rn] 5f¹⁴ 6d⁶ 7s²
Valence electrons8
KLMNOPQ shells
K2
L8
M18
N32
O32
P14
Q2

Electronegativity

Pauling
Allen
Mulliken (eV)

Atomic radii

Empirical
Calculated
Covalent
Van der Waals

Successive ionisation energies

I₁730 kJ/mol
Electron affinity

Oxidation states

+2+3+4+5+6+8
Bold states = most common.
Period 7Block dIUPAC Group 8Family Transition metals
Sources : NIST Atomic Weights & Isotopic Compositions, IUPAC Recommendations, CODATA. Methodology