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Name: Plutonium
Symbol: Pu
Number of Energy Levels: 7
Electrons on the outer energy level: 2
Atomic number: 94
Atomic Mass: 244 Amu (Atomic Mass Units)
Protons/Electrons: 94
Neutrons: 150
Density: 19.84 g/cm3
Classification: Rare Earth

Plutonium | Chemical elements

Plutonium was discovered in 1940 by G. T. Seaborg. Its name derives from the name of the planet Pluto. Plutonium’s melting point is at 639.5 °C (912.65 K, 1183.1 °F) and its boiling point is at 3235.0 °C (3508.15 K, 5855.0 °F).

Top 12 interesting facts about Plutonium

  1. Plutonium is a silvery-gray radioactive metal.
  2. Plutonium tarnishes when exposed to air.
  3. Plutonium is the heaviest primordial element.
  4. Plutonium is a poor conductor of heat and electricity.
  5. Plutonium is transported as plutonium oxide in sealed packages since its oxide is more stable.
  6. Plutonium is a byproduct of nuclear reactions converted from uranium-238.
  7. Plutonium-239 and plutonium-241 are fissile.
  8. Plutonium is used in nuclear weapons and nuclear reactors.
  9. Plutonium-238 is used to power and heat some spacecrafts.
  10. Plutonium was used in Second World War in the bomb that destroyed Nagasaki.
  11. Plutonium-238, plutonium-239, and plutonium-244 can be found in nature in small quantities.
  12. Plutonium is dangerous for humans and it can accumulate in bones.

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