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Mendelevium  SEE PERIODIC TABLE
see article  SEE FULL ARTICLE


Atomic Number101

Atomic SymbolMd

Atomic Weight[258 amu]

GroupRare Earth (Actinide Series)

Melting Point827 °C (1520.6 °F, 1100.15 °K)

First Ionization Potential6.58 eV

Ground State Electron Configuration5f13 6s2 6p6 6f2

Oxidation States+2, +3

Selected Radioisotopes256Md, 258Md

Discovered byGhiorso; Harvey; Choppin; Thompson; Seaborg, 1955

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