Quick Facts
| Property | Value |
|---|---|
| Symbol | Ts |
| Atomic Number | 117 |
| Atomic Mass | [294] u |
| Category | Halogen |
| Period | 7 |
| Group | 17 |
| Block | p |
| Electron Configuration | [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵ |
History and Discovery
Discovered by: JINR, LLNL, ORNL, and Vanderbilt collaboration Year of Discovery: 2010 Location: Dubna, Russia
Etymology
Named after Tennessee, where Oak Ridge National Laboratory is located.
Interesting Facts
- Named after Tennessee, USA
- Second-heaviest halogen (after oganesson discovery was reclassified)
- Most stable isotope has about 80-millisecond half-life
- May have metallic properties unlike lighter halogens
- Only about 15 atoms have been produced