Mo
Molybdenum
Z 42 95.95 g/molTransition Metal
Nucleus
42 Protons
54 Neutrons
42 Electrons (6 Valence)
Shell distribution: K2 • L8 • M18 • N13 • O1 • P0 • Q0
Electron Configuration
Energy
7p
6d
5f
7s
6p
5d
4f
6s
5p
4d
5s
4p
3d
4s
3p
3s
2p
2s
1s
[Kr]4d55s1
Oxidation States
CommonRare
0
Pick a state to see its ions
Radii
Empirical
145 pm1.45 Å
Calculated
190 pm1.9 Å
Covalent
154±5 pm1.54±0.05 Å
Van der Waals
209 pm2.09 Å
IonicMo4+
65 pm0.65 Å
Crystal Structure
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Body-centered cubic
Pearson symbol
cI2
Space group
Im3m No. 229