Number of Energy Levels: 7
Electrons on the outer energy level: 2
Atomic number: 101
Atomic Mass: 258 Amu (Atomic Mass Units)
Density: unknown g/cm3
Classification: Rare Earth
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.
Top 7 interesting facts about Mendelevium
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.