NO. 117Unknown

Ts

Tennessine

Tennessine is a superheavy halogen predicted to be more metallic than lighter halogens due to relativistic effects.

Crystal Structure

orthorhombic (predicted)

Atomic Mass294 u

Density7.2 g/cm³

Melting Point723 K

Boiling Point883 K

Atomic Radius165 pm

Electronegativity2.3

Ionization Energy950 kJ/mol

Electron Affinity~166 kJ/mol

Bonding TypeCovalent

Oxidation States-1, 1, 3, 5

Acid/BaseCan act as acid or base

ReactivityHigh

Electron Configuration

[Rn] 5f14 6d10 7s2 7p5

Discovered ByJoint Institute for Nuclear Research

Year2010

Known Isotopes

Ts-294