101
Md
258
Mendelevium
Element 101 · 258 u · f-block
actinide
Named after Dmitri Mendeleev, creator of the periodic table. Only produced atoms at a time.
Phase (STP)
Solid
Melting Point
827 °C
Boiling Point
—
Density
—
Electronegativity
1.3
Atomic Radius
—
Ionization Energy
635 kJ/mol
Electron Affinity
—
Discovered
1955 · Albert Ghiorso
Electron Configuration
[Rn] 5f13 7s2
Electron Orbitals
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