42Mo
Element 42
Molybdenum
Transition metals
Molybdenum is a chemical element with symbol Mo and atomic number 42.
Key data
- Atomic number
- 42
- Atomic mass
- 95.951 u
- Group / Period
- 6 / 5
- Block
- d-block
- Phase at STP
- Solid
- Density
- 10.28 g/cm³
- Melting point
- 2622.8 °C
- Boiling point
- 4638.9 °C
- Electron configuration
- [Kr] 4d5 5s1
Common uses
- •High-strength steel
- •Catalysts
- •Plant nutrient
Discovery
Year: 1778
Discovered by: Carl Wilhelm Scheele
Frequently asked questions
What is the atomic number of Molybdenum?
Molybdenum has atomic number 42. Its symbol is Mo and its atomic mass is 95.951 u.
What category of element is Molybdenum?
Molybdenum is classified as transition metals. It sits in group 6, period 5 of the periodic table.
What is Molybdenum used for?
Common uses of Molybdenum include: High-strength steel, Catalysts, Plant nutrient.
When was Molybdenum discovered?
Molybdenum was discovered in 1778 by Carl Wilhelm Scheele.
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