43Tc Technetium
Year Discovered
1937
Discovered By
Carlo Perrier and Emilio Segre of Italy
Biological Rating
Not necessary for life.
Description
Named for the Greek word technikos, which means artificial, technetium is a silvery-gray radioactive metal. Technetium has a short half-life, so any natural technetium the Earth possessed has long since disappeared. It is found in cool, red stars, however. Artificially produced technetium is a somewhat reactive metal, slowly reacting with air and acid. Technetium has few industrial or commercial uses. It is a superconductor at very low temperatures and is used in medical radiation imaging as a tracer. Technetium was the first artificially produced element and was created by bombarding molybdenum with a stream of neutrons. The most stable isotope of technetium has a half-life of 420,000 years.
Biological Benefits
Technetium has no biological use.
Role in Life Processes
No known benefits for life processes.
Sources
Technetium does not exist in the Earth’s crust, nor found in any mineral. Currently, it is only produced by artificial nuclear fission reactions.