Quick Facts
| Property | Value |
|---|---|
| Symbol | Md |
| Atomic Number | 101 |
| Atomic Mass | [258] u |
| Category | Actinide |
| Period | 7 |
| Group | 3 |
| Block | f |
| Electron Configuration | [Rn] 5f¹³ 7s² |
History and Discovery
Discovered by: Albert Ghiorso and colleagues Year of Discovery: 1955 Location: Berkeley, California, USA
Etymology
Named after Dmitri Mendeleev, creator of the periodic table.
Interesting Facts
- Named after the father of the periodic table
- First element identified one atom at a time
- Only about 17 atoms were made in the original experiment
- Mendelevium predicted its own discovery (in the periodic table)
- Synthesized by bombarding einsteinium with alpha particles