Technetium is a radioactive metal with no stable isotopes, best known through a short-lived isotope used in diagnostic imaging.
Atomic number
43
Category
Transition metal
Period
5
Group
7
State
Solid
Fun facts about Technetium
It was the first element produced artificially and identified as a new element.
Small natural traces arise from uranium fission and neutron capture.
Its chemistry resembles neighbouring manganese and rhenium in several respects.
Common uses of Technetium
Medical diagnostic imaging
Corrosion research
Scientific research
Where Technetium sits in the periodic table
Technetium is classified as a transition metal in period 5 and group 7 of the periodic table. Under the conditions represented in this reference, its state is solid.
Quick chemistry revision
For quick revision, pair the symbol Tc with atomic number 43 and the listed atomic mass [98]. The summary, facts, and uses above keep those element properties together in one reference.