| Mo | Molybdenum | Transition Metal |
| Atomic number: | 42 | Atomic weight: | 95.94 | ||
| Shells: | 2,8,18,13,1 | Orbitals: | [Kr] 4d5 5s1 | ||
| Melting point: | 2617°C | Boiling point: | 4612°C | ||
| Covalent radius: | 1.30 | Å | Atomic volume: | 9.4 | cm³/mol |
| Atomic radius: | 2.01 | Å | Ionic radius: | .59 (+6) | Å |
| Electronegativity: | 2.16 | Oxidation states: | (6),5,4,3,2 | ||
| 1st ionization pot.: | 7.0924 | V | 2nd ionization pot.: | 16.461 | V |
| 3rd ionization pot.: | 27.16 | V | Specific heat: | 0.25 | J/gK |
| Heat of fusion: | 32.0 | kJ/mol | Heat of vapor.: | 598.0 | kJ/mol |
| Thermal conduct.: | 1.38 | W/cmK | Electrical conduct.: | 0.187 | 10^6/cm ohm |
| Density: | 10.2 | g/cm³ | Valence: | 2,3,6 |