In 1937, technetium was produced by bombarding deuterons with molybdenum in a cyclotron . Later it was found among the fission products of uranium .
Technetium is a corrosion-resistant metal.
It is silvery-grey and look much like platinum . Chemically it is a cross between rhenium and manganese . These elements belong to the same group on the periodic table and it is quite common that an element will resemble its group members. Technetium also has superconducting properties.