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Chemistry


Fermium

Name: Fermium
Symbol: Fm
Number of Energy Levels: 7
Electrons on the outer energy level: 2
Atomic number: 100
Atomic Mass: 257 Amu (Atomic Mass Units)
Protons/Electrons: 100
Neutrons: 157
Density: unknown g/cm3
Classification: Rare Earth

Fermium | Chemical elements

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.

Top 7 interesting facts about Fermium

  1. Fermium is a synthetic and radioactive element.
  2. Fermium has 19 isotopes.
  3. Fermium-257 is the longest-lived isotope of fermium (half-life 100.5 days).
  4. Fermium was discovered in the debris of the first hydrogen bomb.
  5. Fermium is produced in nuclear reactors by neutron bombardment of lighter elements.
  6. Fermium can be produced just in nano-gram quantities.
  7. Fermium is used just for scientific research.

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