// MATTER · ELEMENT 117 / 118atoms.no/elements
Ts117
Tennessine
Ts·Z 117·Unknown·294·⭕ 4B · A♭ Major
▸ The reading
interpretive · artTennessine exists because Oak Ridge supplied the berkelium target — no Tennessee isotopes, no element 117, so the state's name went on the result. Predicted to be a metallic halogen, as astatine above it is also predicted to be. The supply chain of discovery, acknowledged in the name itself.
The science below is cited as science; the symbolic layers are flagged as interactive art.
⚜ Periodic Frequency
4BA♭ Major
a seat struck in brass — testimony, not prediction
the seat has its own room on ⭕ THE OVAL TABLE — tap the code
▸ The lenses
▸ Discovery
JINR Dubna + Oak Ridge + Vanderbilt + Lawrence Livermore — bombarded berkelium with calcium-48 · Russia / United States · 2010
▸ Stellar origin
Human-madeGroup-17 transactinide. Longest-lived isotope ²⁹⁴Ts has a half-life of about 80 milliseconds.
▸ Reactivity
Predicted to be a metallic halogen (unlike all lighter halogens)Relativistic predictions suggest Ts's outermost 7p orbitals split sharply, producing metallic character instead of halogen-typical electron-acceptor behavior.
▸ Applications
- Heavy-element synthesis research
- Probing relativistic predictions for p-block
- (No commercial applications)
- (No practical bulk uses)
▸ Curiosity
Named for Tennessee — home to Oak Ridge National Laboratory, which supplied the berkelium target without which Ts could never have been synthesized.
▸ Related readings
a resonance drawn between readings — not a claim that they share an origin.
Group 17AtAstatine
Period 7LvLivermoriumOgOganesson
p-blockLvLivermoriumOgOganesson
Adjacent ZLvLivermoriumOgOganesson