• Name: Mendelevium

  • Symbol: Md

  • Number of Energy Levels: 7

  • Electrons on the outer energy level: 2

  • Atomic Number: 101

  • Atomic Mass: 258 Amu

  • Protons / Electrons: 101

  • Neutrons: 157

  • Density: unknown g/cm3

  • Classification: Rare Earth

Top 9 interesting facts about Mendelevium

  • Mendelevium was discovered in 1955 at Lawrence Berkeley National Laboratory. It was named after Dimitri Mendeleev.
  • Mendelevium's melting point is at 827 C (1100 K, 1521 F) and its boiling point is unknown.
  • Mendelevium is a man-made radioactive element.
  • Mendelevium can only be produced in particle accelerators.
  • Mendelevium can not be currently produced in bulk quantities.
  • Mendelevium has 16 known isotopes.
  • Mendelevium's most stable isotope is 258-Md with a half-life of 51 days.
  • Mendelevium's most common isotope is 256-Md with a half-life of 1.27 hours.
  • Mendelevium is used just for scientific research.