Ts

Tennessine

Transactinide

Tennessine is a synthetic element named after Tennessee. It is the second-heaviest known element and predicted to be a halogen.

Key Facts

Atomic Number
117
Atomic Weight
294
State
Solid (predicted)
Half-life
0.08 seconds (Ts-294)
Discovered
2009
Joint Institute for Nuclear Research, Oak Ridge National Laboratory, Lawrence Livermore National Laboratory

Overview

Description

Tennessine is a synthetic element named after Tennessee. It is the second-heaviest known element and predicted to be a halogen.

Discovery

Tennessine was discovered in 2009 by Joint Institute for Nuclear Research, Oak Ridge National Laboratory, Lawrence Livermore National Laboratory.