• Name: Fermium

  • Symbol: Fm

  • Number of Energy Levels: 7

  • Electrons on the outer energy level: 2

  • Atomic Number: 100

  • Atomic Mass: 257 Amu

  • Protons / Electrons: 100

  • Neutrons: 157

  • Density: unknown g/cm3

  • Classification: Rare Earth

Top 9 interesting facts about Fermium

  • Fermium was discovered in 1953 at Lawrence Berkeley National Laboratory. It was named after Enrico Fermi.
  • Fermium's melting point is at 852 C (1125 K, 1565 F) and its boiling point is unknown.
  • Fermium is a synthetic and radioactive element.
  • Fermium has 19 isotopes.
  • Fermium-257 is the longest-lived isotope of fermium (half-life 100.5 days).
  • Fermium was discovered in the debris of the first hydrogen bomb.
  • Fermium is produced in nuclear reactors by neutron bombardment of lighter elements.
  • Fermium can be produced just in nano-gram quantities.
  • Fermium is used just for scientific research.