Uranium
Uranium
Uranium (pronounced: /jʊˈreɪniəm/) is a chemical element with the symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table.
Etymology
The term "Uranium" is derived from Uranus, the seventh planet from the Sun in our solar system. It was named by Martin Heinrich Klaproth, who discovered the element in 1789.
Properties
Uranium is weakly radioactive because all its isotopes are unstable (with half-lives of the six naturally known isotopes, uranium-238, uranium-235, uranium-234, uranium-233, uranium-232, and uranium-231, varying between 69 years and 4.5 billion years). The most common isotopes of uranium are uranium-238 (which has 146 neutrons and accounts for over 99% of uranium on Earth) and uranium-235 (which has 143 neutrons).
Uses
Uranium's primary use is as a source of nuclear energy. It is used as fuel in nuclear reactors to generate electricity. Uranium is also used in the production of nuclear weapons.
Health Effects
Exposure to uranium can have serious health effects. It can cause kidney damage and increase the risk of cancer. The radiation emitted by uranium can also cause damage to cells and genetic material.
Related Terms
External links
- Medical encyclopedia article on Uranium
- Wikipedia's article - Uranium
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