Second-heaviest known element, named after Tennessee.
Tennessine is a halogen element located in period 7, group 17 of the periodic table. It has the chemical symbol Ts and atomic number 117. The electron configuration of Tennessine is [Rn] 5f14 6d10 7s2 7p5, giving it 7 valence electron(s).
Explore Tennessine in interactive 3D with the Soren Periodic Table. View Bohr model, quantum orbital model, nucleus inspector, and phase lab with temperature and pressure controls. Includes fun facts, real-world uses, and NCTB curriculum integration for Bangladeshi students.