14 Facts About Technetium

Technetium is a chemical element with the symbol Tc and atomic number 43.

Technetium persuaded cyclotron inventor Ernest Lawrence to let him take back some discarded cyclotron parts that had become radioactive.

Technetium is a silvery-gray radioactive metal with an appearance similar to platinum, commonly obtained as a gray powder.

Technetium is located in the seventh group of the periodic table, between rhenium and manganese.

Technetium has numerous nuclear isomers, which are isotopes with one or more excited nucleons.

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Technetium-99 is a major product of the fission of uranium-235, making it the most common and most readily available isotope of technetium.

Technetium occurs naturally in the Earth's crust in minute concentrations of about 0.

Technetium is so rare because the half-lives of Tc and Tc are only 4.

Technetium-99 is produced by the nuclear fission of both uranium-235 and plutonium-239.

Technetium could be immobilized by some environments, such as microbial activity in lake bottom sediments, and the environmental chemistry of technetium is an area of active research.

For example, Technetium-99m is a radioactive tracer that medical imaging equipment tracks in the human body.

Technetium-99 has been proposed for optoelectronic devices and nanoscale nuclear batteries.

Technetium plays no natural biological role and is not normally found in the human body.

Technetium is produced in quantity by nuclear fission, and spreads more readily than many radionuclides.