Element Tennessine

Tennessine ElementThe discovery of tennessine was officially announced in Dubna, Russia, by a Russian–American collaboration in April 2010, which makes it the most recently discovered element as of 2019.
Tennessine is a synthetic chemical element with the symbol Ts and atomic number 117. It is the second-heaviest known element and the penultimate element of the 7th period of the periodic table.
Tennessine is expected to be a member of group 17 in the periodic table, below the five halogens; fluorine, chlorine, bromine, iodine, and astatine

Names and Identifiers

Chemical Formula:Ts
Molecular Weight:294g/mol
EC Number :n/a
MDL Number:n/a
Color:unknown (presumably metallic and darky)
Other Names:Ununseptio
PubChem CID:n/a
IUPAC Name:Tennessine
InChI Key:n/a
Canonical SMILES:[Ts]
ICSC Number:n/a

Physical & Chemical Properties

Density:7.1–7.3 g/cm³
Boiling Point:883 K ​(610 °C, ​1130 °F)
Melting Point:623–823 K ​(350–550 °C, ​662–1022 °F)
Molecular Formula:Ts
Flash Point:n/a
Exact Mass:294

All isotopes with an atomic number above 101 undergo radioactive decay with half-lives of less than 30 hours. No elements with atomic numbers above 82 (after lead) have stable isotopes.

Radiosotope data

IsotopeMass/DaHalf-lifeMode of decayNuclear spinNuclear magnetic moment
293Ts2930.014 (+0.011-0.004) sα to 289Mc
294Ts2940.010 (+0.379-0.036) sα to 290Mc

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