Technetium
Technetium
Technetium is a chemical element with the symbol Tc and atomic number 43. It belongs to the transition metals and is a silvery-gray, radioactive metal. Technetium was discovered in 1937 by Carlo Perrier and Emilio Segrè and is the lightest element without any stable isotopes.
Properties of Technetium
- Atomic Number: 43
- Symbol: Tc
- Atomic Mass: 98 u
- Group: Transition metals
- State at Room Temperature: Solid
- Density: 11.5 g/cm³
- Melting Point: 2157 °C
- Boiling Point: 4265 °C
Discovery and History
Technetium was discovered in 1937 by Italian chemists Carlo Perrier and Emilio Segrè. It was the first artificially produced element, as it occurs in nature only in trace amounts. The name is derived from the Greek word "technetos," meaning "artificial."
Applications and Uses
- Medical Diagnostics: Technetium-99m is widely used in nuclear medical imaging, especially for skeletal and cardiac scans.
- Industry: Technetium is used as a corrosion inhibitor for steel, particularly in closed systems like boilers.
- Research: Due to its radioactive properties, technetium is used in various scientific studies and experiments.
Safety Measures
Technetium is a radioactive element and must be handled with special care. Safety measures should be taken to minimize exposure to radiation, including the use of protective clothing, radiation detectors, and secure storage containers.
Additional Information
Further information about technetium and its applications can be found on scientific websites and in specialized literature.
Conclusion
Technetium is a significant element with specialized applications in medicine and industry. Its unique status as the first artificially produced element and its widespread use in nuclear medical diagnostics make it an important part of modern science and technology.