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