117
Ts
294
Tennessine (Ts)
Element 117 · Period 7 · Group 17
halogen
solid at room temp
p-block
radioactive
synthetic
About Tennessine
Named after Tennessee. Only 5 atoms have ever been observed. Half-life ~51ms.
Physical Properties
Atomic Mass
294 u
State at 25°C
Solid
Melting Point
350 °C
Boiling Point
610 °C
Density
7.17 g/cm³
Magnetism
Unknown
Atomic Properties
Electron Configuration
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵
Electron Shells
2, 8, 18, 32, 32, 18, 7
Oxidation States
-1, +1, +3, +5
Discovery & History
Discovered By
Joint Institute for Nuclear Research
Discovery Year
2010
Named By
IUPAC
Name origin: Tennessee, USA
Frequently Asked Questions
- Is Tennessine a metal, nonmetal, or metalloid?
- Tennessine is classified as a halogen.
- What state is Tennessine in at room temperature?
- Tennessine is a solid at standard room temperature (25°C).
- What is the atomic mass of Tennessine?
- Tennessine has an atomic mass of 294 atomic mass units (u).
- Who discovered Tennessine?
- Tennessine was discovered by Joint Institute for Nuclear Research in 2010.
- Where is Tennessine on the periodic table?
- Tennessine is element number 117, located in period 7 and group 17.