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Chemistry


Uranium

Name: Uranium
Symbol: U
Number of Energy Levels: 7
Electrons on the outer energy level: 2
Atomic number: 92
Atomic Mass: 238.03 Amu (Atomic Mass Units)
Protons/Electrons: 92
Neutrons: 146
Density: 18.95 g/cm3
Classification: Rare Earth

Uranium | Chemical elements

Uranium was discovered in 1789 by Martin Klaproth. Its name derives from the name of the planet Uranus. Uranium’s melting point is at 1132.0 °C (1405.15 K, 2069.6 °F) and its boiling point is at 3818.0 °C (4091.15 K, 6904.4 °F).

Top 22 interesting facts about Uranium

  1. Uranium has a silvery-white color.
  2. Uranium is malleable and ductile.
  3. Uranium is strongly electropositive and poor electrical conductor.
  4. Uranium is weakly radioactive.
  5. Uranium has the second highest atomic weight among elements (it is only lighter than plutonium).
  6. Uranium forms a coat of uranium oxide when exposed to air.
  7. Uranium is the 51st more abundant element on Earth.
  8. Uranium is mainly extracted from uraninite ore.
  9. Uranium has three naturally occurring isotopes.
  10. Uranium-238 is the most abundant isotope (more than 99%).
  11. Uranium-235 is the only naturally occurring fissile isotopes.
  12. Uranium-233 is also a fissile isotope and it can be produced from thorium and it is very important in nuclear technology.
  13. Uranium’s density is 70% higher than that of lead.
  14. About 5.5 million tones of uranium that can be extracted exist on Earth and other 4.6 billion tones of uranium are in sea water.
  15. The most important producers of uranium are Kazakhstan, Canada, Australia, Namibia, Niger, Russia, China etc.
  16. Uranium is used to fuel nuclear power plants.
  17. Uranium was used in the first nuclear bomb used in war.
  18. Uranium is used in military industry in high-density penetrator ammunition.
  19. Uranium is used as a shielding material.
  20. Uranium-235 is used to produce nuclear weapons.
  21. Uranium is also used in radiometric dating.
  22. Uranium is radioactive and toxic for human body.

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