104Rf267

Rutherfordium

Transition metalsBlock dPeriod 7Group 4solid at 20 °C
Configuration :[Rn] 5f¹⁴ 6d² 7s²
Atomic mass :267 u
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Modèle de Bohr · pédagogique

Electron configuration

Full[Rn] 5f¹⁴ 6d² 7s²
Short[Rn] 5f¹⁴ 6d² 7s²
Valence electrons4
KLMNOPQ shells
K2
L8
M18
N32
O32
P10
Q2

Electronegativity

Pauling
Allen
Mulliken (eV)

Atomic radii

Empirical
Calculated
Covalent
Van der Waals

Successive ionisation energies

I₁580 kJ/mol
Electron affinity

Oxidation states

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