42Mo95.95

Molybdène

Transition metalsBlock dPeriod 5Group 6solid at 20 °C
Configuration :[Kr] 4d⁵ 5s¹
Atomic mass :95.95 u
English :Molybdenum
Faites défiler pour activer le 3D
Modèle de Bohr · pédagogique

Electron configuration

Full[Kr] 4d⁵ 5s¹
Short[Kr] 4d⁵ 5s¹
Valence electrons6
KLMNOPQ shells
K2
L8
M18
N13
O1

Electronegativity

Pauling2.16
Allen1.47
Mulliken (eV)

Atomic radii

Empirical145 pm
Calculated190 pm
Covalent154 pm
Van der Waals
Ionic radii (Shannon-Prewitt)
+659 pm

Successive ionisation energies

I₁684.3 kJ/mol
I₂1560 kJ/mol
I₃2618 kJ/mol
I₄4480 kJ/mol
I₅5257 kJ/mol
Electron affinity71.9 kJ/mol

Oxidation states

-4-2-10+1+2+3+4+5+6
Bold states = most common.
Period 5Block dIUPAC Group 6Family Transition metals
Sources : NIST Atomic Weights & Isotopic Compositions, IUPAC Recommendations, CODATA. Methodology