Template:Infobox tennessine

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Tennessine,  117Ts
General properties
PronunciationTemplate:Infobox element/pronunciation
Appearancesemimetallic (predicted)[1]
Standard atomic weight (Ar, standard)Template:Infobox element/standard atomic weight
Mass numberTemplate:Infobox element/symbol-to-most-stable-isotope (most stable isotope)
Tennessine in the periodic table
Template:Infobox element/periodic table
Atomic number (Z)117
GroupTemplate:Infobox element/group
Periodperiod 7
Blockp-block
Element categoryTemplate:Infobox element/category format, but probably a post-transition metal[2][3]
Electron configuration[Rn] 5f14 6d10 7s2 7p5 (predicted)[4]
Electrons per shell
2, 8, 18, 32, 32, 18, 7 (predicted)
Physical properties
Phase at STPsolid (predicted)[4][5]
Melting point623–823 K ​(350–550 °C, ​662–1022 °F) (predicted)[4]
Boiling point883 K ​(610 °C, ​1130 °F) (predicted)[4]
Density (near r.t.)7.1–7.3 g/cm3 (extrapolated)[5]
Atomic properties
Oxidation statesTemplate:Infobox element/symbol-to-oxidation-state
[[Ionization energy|Template:Engvar energies]]
  • 1st: 742.9 kJ/mol (predicted)[6]
  • 2nd: 1435.4 kJ/mol (predicted)[6]
  • 3rd: 2161.9 kJ/mol (predicted)[6]
  • (more)
Atomic radiusempirical: 138 pm (predicted)[5]
Covalent radius156–157 pm (extrapolated)[5]
Template:Infobox element/spectral lines
Other properties
CAS Number54101-14-3
History
Namingafter Tennessee region
DiscoveryJoint Institute for Nuclear Research, Lawrence Livermore National Laboratory, Vanderbilt University and Oak Ridge National Laboratory (2009)
Main isotopes of tennessine
Template:Infobox element/isotopes table
| references

Template:Infobox element/element navigation Template:Template reference list Expression error: Unrecognized word "template".

  1. Fricke, B. (1975). "Superheavy elements: a prediction of their chemical and physical properties". Recent Impact of Physics on Inorganic Chemistry. 21: 89–144. doi:10.1007/BFb0116498. Retrieved 4 October 2013.
  2. Royal Society of Chemistry (2016). "Tennessine". rsc.org. Royal Society of Chemistry. Retrieved 9 November 2016. A highly radioactive metal, of which only a few atoms have ever been made.
  3. GSI (14 December 2015). "Research Program – Highlights". superheavies.de. GSI. Retrieved 9 November 2016. If this trend were followed, element 117 would likely be a rather volatile metal. Fully relativistic calculations agree with this expectation, however, they are in need of experimental confirmation.
  4. 4.0 4.1 4.2 4.3 Cite error: Invalid <ref> tag; no text was provided for refs named Haire
  5. 5.0 5.1 5.2 5.3 Bonchev, D.; Kamenska, V. (1981). "Predicting the Properties of the 113–120 Transactinide Elements". Journal of Physical Chemistry. 85 (9): 1177–1186. doi:10.1021/j150609a021.
  6. 6.0 6.1 6.2 Chang, Zhiwei; Li, Jiguang; Dong, Chenzhong (2010). "Ionization Potentials, Electron Affinities, Resonance Excitation Energies, Oscillator Strengths, And Ionic Radii of Element Uus (Z = 117) and Astatine". J. Phys. Chem. A. 2010 (114): 13388–94. Bibcode:2010JPCA..11413388C. doi:10.1021/jp107411s.