Molybdenum (Mo) is a refractory transition metal with atomic number 42 and atomic mass 95.95 u. It is known for its very high melting point, strength at high temperatures and essential biological catalytic role.
Identity
- Name: Molybdenum
- Symbol: Mo
- Atomic number: 42
- Atomic mass: 95.95 u
Position in the periodic table
- Group: 6
- Period: 5
- Category: Transition metal (refractory metal)
Physico-chemical properties
- Standard state: Solid
- Melting point: 2623°C
- Boiling point: 4639°C
- Density: 10.28 g/cm³
- Electron configuration: [Kr] 4d⁵ 5s¹
Scientific description
Molybdenum is a metallic element essential for high-strength alloys, catalysts and biological enzymes involving the molybdenum cofactor. Its extremely high melting point and chemical stability make it a key component in aerospace, energy and industrial metallurgy.