Natural uranium

Natural Uranium

Natural uranium (pronunciation: /ˈjʊərəniəm/) is a slightly radioactive metal that is present in most rocks and soils. It is the most common and naturally occurring form of the chemical element Uranium.

Etymology

The term "uranium" is derived from Uranus, the seventh planet from the Sun in our Solar System. It was named by German chemist Martin Heinrich Klaproth, who discovered the element in 1789.

Description

Natural uranium is a mixture of three isotopes: Uranium-238 (U-238), Uranium-235 (U-235), and Uranium-234 (U-234). The most abundant isotope in natural uranium is U-238, accounting for over 99% of it. The remaining fraction is mostly U-235, with a very small amount of U-234.

Uses

Natural uranium is used as a fuel in Nuclear Reactors due to its ability to sustain a nuclear chain reaction. When a neutron hits the nucleus of a U-235 atom, the nucleus splits, releasing a large amount of energy in the form of heat and radiation.

Health Effects

Exposure to natural uranium can have detrimental health effects, particularly if it is ingested or inhaled. It can increase the risk of cancer and kidney damage. The Radiation emitted by natural uranium can also cause damage to cells and DNA.

Related Terms

• Uranium-238
• Uranium-235
• Uranium-234
• Nuclear Reactors
• Radiation

External links

• Medical encyclopedia article on Natural uranium
• Wikipedia's article - Natural uranium

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