Molybdenum
Molybdenum is a chemical element with the symbol Mo and atomic number 42. It belongs to the group 6 elements in the periodic table. Molybdenum is a silvery-white metal with a high melting point and is commonly found in various minerals. It has several important uses in industry and biology due to its unique properties.
Physical and Chemical Properties
Molybdenum has a high melting point of 2,623 degrees Celsius and a boiling point of 4,639 degrees Celsius. It is a hard metal with a density of 10.28 g/cm³. Molybdenum is highly resistant to corrosion and has a high strength at high temperatures, making it valuable for use in various industrial applications.
Uses
Molybdenum is widely used in the production of steel alloys, where it imparts strength and toughness to the material. It is also used in the aerospace industry, as well as in the manufacture of electrical contacts and filaments due to its high melting point. Additionally, molybdenum is an essential trace element for plants and animals, playing a crucial role in biological processes.
Biological Role
Molybdenum is a cofactor for enzymes involved in the conversion of nitrate to nitrite, which is an essential step in the nitrogen cycle. In humans, molybdenum is necessary for the function of enzymes that are involved in the metabolism of drugs and toxins. It is also important for the metabolism of sulfur-containing amino acids.
Study Guide
- What is the atomic number of molybdenum?
- Describe the physical properties of molybdenum.
- What are the main uses of molybdenum in industry?
- Explain the biological role of molybdenum.
- Discuss the importance of molybdenum in steel production.
Use this study guide to review and understand the key concepts related to molybdenum. If you have any further questions or need clarification on any of the topics, feel free to reach out to me for assistance.
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