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Chem Studio by Learn4Less

Element 42

Molybdenum (Mo)

42
Mo

molybdenum

Metal · d block · group 6, period 5

Electron configuration
[Kr] 5s1 4d5[\mathrm{Kr}]\,5s^{1}\,4d^{5}
Unpaired electrons
6 (paramagnetic)
Molar mass
95.95 g/mol
Electronegativity
2.16
Atomic radius
139 pm
First ionization energy
684 kJ/mol
Next ionization energies
1,560
Electron affinity
72 kJ/mol released

Practice

Practice molybdenum

No course questions are about molybdenum specifically, but these lessons cover what you need.