Mendelevium
Mendelevio (Md, Z=101)
- Date
- 1955 · confidence high
- Place
- Berkeley, California, United States
- Credited to
- Albert Ghiorso, Bernard Harvey, Gregory Choppin, Stanley Thompson and Glenn Seaborg
- People
- 👤 Glenn T. Seaborg1912–1999
- Field
- Matter & energy
What was discovered
First element synthesised one atom at a time: 17 atoms produced by bombarding a billion atoms of einsteinium-253 with alpha particles.
First element named after a Russian, synthesised in the United States.
What it led to
- Recoil technique and atom-by-atom identification
- Tribute to Mendeleev accepted in the depths of the Cold War
- Chemistry of an element with a handful of atoms
Built on
- Einsteinium1952
- 60-inch cyclotron
Made possible
- Recoil technique for heavy elements