42 Mo
Transition metal
Molybdenum
Strengthens high-temp steel.
Properties of Molybdenum
- Atomic number (Z)
- 42
- Symbol
- Mo
- Atomic mass
- 95.95 g/mol
- Category
- Transition metal
- Group
- 6
- Period
- 5
- Electron configuration
- [Kr] 4d⁵ 5s¹
- Electronegativity (Pauling)
- 2.16
- Atomic radius
- 190 pm
- First ionization energy
- 684 kJ/mol
- Melting point
- 2896 K (2622.8 °C)
- Boiling point
- 4912 K (4638.9 °C)
- Density
- 10.22 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1781
Frequently asked questions
What is Molybdenum?
Molybdenum (Mo) is a transition metal, element number 42 on the periodic table. Strengthens high-temp steel.
What is the atomic number and atomic mass of Molybdenum?
Molybdenum has atomic number 42 and an atomic mass of about 95.95 g/mol.
What is the electron configuration of Molybdenum?
The electron configuration of Molybdenum is [Kr] 4d⁵ 5s¹.
Where is Molybdenum on the periodic table?
Molybdenum sits in group 6, period 5, and is classified as a transition metal.