U

• Uranium

  Chemical element with atomic number 92 and symbol U. The isotope formation of the uranium found in nature is as follows: U-235 0.71%, U-238 99.28 %, and the rest is U-234. Because of the presence of fertile and fissile isotopes, uranium can be used in any type of reactor. It is normally used as uranium dioxide (UO2), because the use of uranium metal has multiple limitations, as happens with uranium alloys.