117Ts294.211
Tennessine
Halogen
Expected to be a Solid at STP
Period 7Group 17Block PDiscovered 2010
[Rn]7s2 7p5 5f14 6d10 (predicted)
Tennessine is a superheavy artificial chemical element with an atomic number of 117 and a symbol of Ts. Also known as eka-astatine or element 117, it is the second-heaviest known element and penultimate element of the 7th period of the periodic table. As of 2016, fifteen tennessine atoms have been observed: six when it was first synthesized in 2010, seven in 2012, and two in 2014.
📖 Read more on Wikipedia →Atomic Properties
| Atomic Number | 117 |
| Atomic Mass | 294.211 u |
| Electron Configuration | [Rn]7s2 7p5 5f14 6d10 (predicted) |
| Oxidation States | +5, +3, +1, -1 |
| Block | P |
Physical Properties
| Standard State | Expected to be a Solid |
Classification
| Category | Halogen |
| Group Block | Halogen |
| Period | 7 |
| Group | 17 |
| Block | P |
Discovery
| Year Discovered | 2010 |
| Discovered By | Joint Institute for Nuclear Research |
| Electron Shells | 2, 8, 18, 32, 32, 18, 7 |