• Name: Americium

  • Symbol: Am

  • Number of Energy Levels: 7

  • Electrons on the outer energy level: 2

  • Atomic Number: 95

  • Atomic Mass: 243 Amu

  • Protons / Electrons: 95

  • Neutrons: 148

  • Density: 13.6 g/cm3

  • Classification: Rare Earth

Top 16 interesting facts about Americium

  • Americium was discovered in 1945 by G. T. Seaborg. Its name derives from the name of America.
  • Americium's melting point is at 994.0 C (1267.15 K, 1821.2 F) and its boiling point is at 2607.0 C (2880.15 K, 4724.6 F).
  • Americium is a silvery and radioactive element.
  • Americium tarnishes in air.
  • Americium is soft and deformable.
  • Americium has physical and chemical properties similar with europium.
  • Americium reacts with oxygen and it dissolves in acids.
  • Americium is produced by bombarding uranium or plutonium with neutrons in nuclear reactors.
  • Americium has 19 known isotopes.
  • The most common isotopes of americium are 241-Am and 243-Am.
  • Americium can be found in nature in areas where nuclear tests and nuclear accidents have taken place.
  • Americium is produced mostly artificially and is mainly used for research purposes.
  • Americium is also used in some smoke detectors.
  • Americium is proposed to be used in thermoelectric generators for spacecrafts and as fuel for spaceships with nuclear propulsion.
  • Americium is used as a portable source of gamma rays and alpha particles in medical industry.
  • Americium's price is about $1500/g for 241-Am and around $150,000/g for 243-Am.