Technetium is an artificial chemical element, a solid metal.
Technetium is an artificial chemical element.
Technetium is an artificial chemical element.
Technetium. Now technetium is considered also a natural chemical element.
Technetium is an artificial chemical element.
Technetium is a man made chemical element.
Technetium
This element is technetium (Tc); but today traces of natural technetium were discovered.
the symbol for technetium is Tc
This element is technetium (Tc).
Technetium is not a naturally-occurring element; it was created in a laboratory.
Tc stands for the element technetium. Technetium is a silvery-gray metal and it is the first element on the periodic table that does not have any stable isotopes.
The first synthetic element made by a particle accelerator was technetium. Soviet scientists successfully synthesized technetium in 1937 using a cyclotron. Technetium is element 43 in the periodic table with the symbol Tc.