👉 Molybdenum is a chemical element that has the symbol Mo and atomic number 48. It is a silvery-white metal with a melting point of approximately 1,530°C (2,937°F) at standard pressure. Molybdenum is a rare earth metal that occurs in the Earth's crust as molybdate (MoO3). Molybdenum has many applications in various fields such as electronics, catalysis, and