Technetium (1)
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Technetium is an artificial element with an atomic number of 43 that has a silver-grey color similar to platinum. It was the first element to be artificially produced and gets its name from the Greek word "technetos" meaning artificial. Technetium was discovered in 1925 by Walter Noddack, Otto Berg and Ida Tacke using x-ray diffraction spectograms, though some credit its discovery to Emilio Segre in 1933. While only found naturally in small amounts, it can be produced commercially as a byproduct of nuclear reactors and weapons. Technetium-99m is used in diagnostic medical imaging tests due to its radioactive properties but has no industrial uses.
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- 1. Technetium By Meghan Hewitt
- 3. melting point: 3,942 F and boiling point: 8,811 F
- 4. Technetium pronounced (tek-NEE-shi-um) has a silver grey color similar to platinum
- 5. Solid at 298 degrees Kelvin
- 6. Density: 11 grams per cubic centimeter
- 7. Technetium was the first element to be artificially produced
- 9. What is it used for? Technetium is highly radioactive and is only found naturally on the earth's crust. It can be created by bombarding molybdenum-98 with neutrons. Technetium is commercially produced as a byproduct from nuclear reactors and from the detonation of nuclear weapons. Technetium-99 can be used to help perform diagnostic tests on organs in the body. It has no purpose for industrial use.