ASCII PERIODIC TABLE OF THE ELEMENTS

  Md

Relative atomic mass: [258]

English: Mendelevium
French: Mendelévium
Croatian: Mendelevij
German: Mendelevium
Italian: Mendelevio
Spanish: Mendelevio

Atomic number: 101
Group numbers: 3
Period: 7
Standard state (20 °C): solid

Discovery: 1955 Albert Ghiorso, Bernard G. Harvey, Gregory R. Choppin, Stanley G. Thompson, Glenn T. Seaborg (US)

Electronic configuration: [Rn] 5f13 7s2
Formal oxidation number: +2 +3
Atomic radius: - pm

Electronegativities: -
Thermal conductivity: - W/(m K)
Electrical resistivity (20 °C): - μΩcm

Melting point: 827 °C
Boiling point: - °C

Heat of fusion: - kJ/mol
Heat of vaporization: - kJ/mol
Heat of atomization: 116 kJ/mol