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Uranium, a heavy, toxic, metallic, radioactive and glossy white silver element. Uranium is usually found in very small quantities in rocks, soil, water, plants and animals, including humans. The atomic number of uranium is 92. Electronegavity is 1.7. It has a density 18.95g.cm^3. Melting point is 3818 c. The main use of uranium in the civilian sector is to fuel commercial nuclear power plants. This require uranium to be enriched with the uranium-235 isotope and the chain reaction to be controlled so that the energy is released in a more manageable way. All compounds are toxic and radioactive uranium. The toxicity of this element can be fatal. In very small quantities, the toxicity of this element can damage the kidney. The radioactive properties of this element are also systematic and systemic. In general, uranium compounds are difficult to absorb in the intestines and lungs, and their radiological risks remain. Pure uranium metal also poses a risk of fire.people may be exposed to this element by breathing uranium dust in the air or by eating and drinking water and food. Most of this, of course, comes from eating water and food