Characteristics:

1. Atomic Number: Molybdenum has an atomic number of 42, which places it as a transition metal in the sixth period of the periodic table.

2. Density: Molybdenum has a density of approximately 10.28 g/cm³.

3. Melting Point: Molybdenum has a high melting point of 2,623°C (4,753°F), making it suitable for high-temperature applications.

4. Chemical Properties: Molybdenum is not chemically inert but is chemically stable. It is resistant to oxygen in the air and does not rust.

5. Semiconductor Properties: Molybdenum exhibits semiconductor properties and can be used in various electronic applications.


Uses:

1. Steel Production: Molybdenum is used as a significant alloying element in steel production. It can enhance the strength and high-temperature resistance of steel alloys when added.

2. Electronics Industry: Molybdenum is utilized in the manufacturing of electronic devices, particularly as a contact material for semiconductors.

3. Heat Treatment: Due to its high melting point, molybdenum is used in heat treatment applications. It is a preferred choice for elements in furnaces and ignition components.

4. Electric Arc Welding: Molybdenum electrodes are used in metal welding processes under high temperatures and intense electric currents.

5. Radiation Shielding: Molybdenum is used in the production of materials for radiation shields and in nuclear reactors.

6. Chemical Industry: Molybdenum compounds are employed in catalytic reactions and play a role in various chemical applications, such as the petrochemical industry.

Molybdenum's unique properties and diverse applications make it an important material in various industries, particularly due to its durability, high-temperature resistance, and chemical stability.