Tc
Technetium
Transition Metal
Technetium is the lightest element with no stable isotopes. It is primarily produced artificially and widely used in medical imaging.
Key Facts
Atomic Number
43
Atomic Weight
98
State
Solid
Half-life
4.2 million years (Tc-98)
Discovered
1937
Carlo Perrier and Emilio Segrè
Overview
Description
Technetium is the lightest element with no stable isotopes. It is primarily produced artificially and widely used in medical imaging.
Discovery
Technetium was discovered in 1937 by Carlo Perrier and Emilio Segrè.