Technetium, Tc, is a transition metal element, found in
Group VIIa of
the periodic table.
- Atomic Number : 43
- Relative Atomic Mass : 98.91
Technetium was discovered by Perrier and Segre in 1937AD.
Technetium does not occur naturally on Earth.
Technetium was the first element produced artificially.
Technetium is a silvery metal that tarnishes in air.
Technetium is radioactive and must be confined to closed systems.
Technetium resembles Rhenium in its chemical properties.
Technetium is a powerful corrosion inhibitor for steel, even at the
5 ppm level.
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