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Astronomy Chemical element

Tenesino

Tenesino (Ts) is a chemical element belonging to the category Halogen, with atomic number 117 and atomic mass 294.0000 u. This sheet describes its fundamental properties, periodic position and physical characteristics.

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Astronomy · Chemical element

Tennessine

EL39

Identity

  • Name: Tenesino
  • Symbol: Ts
  • Atomic number: 117
  • Atomic mass: 294.0000 u

Position in the periodic table

  • Group: 17
  • Period: 7
  • Category: Halogen

Physico-chemical properties

  • Standard state: Solid (predicted)
  • Melting point (predicted): 350–550 °C
  • Density (predicted): Very high (around 7.1–7.3 g/cm³)
  • Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵

Scientific description

Tenesino is a chemical element with symbol Ts and atomic number 117. It belongs formally to the category Halogen and occupies group 17 and period 7. Its standard atomic mass is 294.0000 u. Because of its extremely short-lived isotopes, most macroscopic properties are theoretical predictions.