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Compare Chlorine vs Tennessine

Comparing Chlorine (Cl) and Tennessine (Ts). Atomic numbers 17 and 117 with atomic masses 35.446 u and 294 u, classified as nonmetal and unknown. Below: a side-by-side comparison of their physical, atomic, electron-configuration and historical properties, including density, melting and boiling points, ionization energies, oxidation states and discovery history.

vs
Cl
Chlorine
#17
Ts
Tennessine
#117

Periodic properties of the elements

ChlorineTennessine
SymbolClTs
Atomic number17117
Group1717
Period37
Blockpp
Element categoryNonmetalUnknown

Physical properties

ChlorineTennessine
Phase at STPGasSolid
Density3.2 g/cm37.17 g/cm3
Atomic weight35.446 u294 u
Melting point171.6 K
-101.55 °C
-150.79 °F		723 K
449.85 °C
841.73 °F
Boiling point239.11 K
-34.04 °C
-29.272 °F		883 K
609.85 °C
1129.73 °F

Atomic properties

ChlorineTennessine
Electronegativity (Pauling Scale)3.160
Electron affinity348.575 kJ/mol165.9 kJ/mol
Oxidation states−1, +1, +2, +3, +4, +5, +6, +7
(a strongly acidic oxide)		(−1), (+1), (+3), (+5)
(predicted)
Ionization energies
  1. 1251.2 kJ/mol
  2. 2298 kJ/mol
  3. 3822 kJ/mol
  4. 5158.6 kJ/mol
  5. 6542 kJ/mol
  6. 9362 kJ/mol
  7. 11018 kJ/mol
  8. 33604 kJ/mol
  9. 38600 kJ/mol
  10. 43961 kJ/mol
  11. 51068 kJ/mol
  12. 57119 kJ/mol
  13. 63363 kJ/mol
  14. 72341 kJ/mol
  15. 78095 kJ/mol
  16. 352994 kJ/mol
  17. 380760 kJ/mol
  1. 736.9 kJ/mol
  2. 1435.4 kJ/mol
  3. 2161.9 kJ/mol
  4. 4012.9 kJ/mol
  5. 5076.4 kJ/mol

Electron configuration

ChlorineTennessine
Shorthand configuration[Ne] 3s2 3p5 [Rn] 5f14 6d10 7s2 7p5
Full configuration1s2 2s2 2p6 3s2 3p5 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d10 7s2 7p5
Electrons per shell2, 8, 72, 8, 18, 32, 32, 18, 7

History

ChlorineTennessine
DiscoveryCarl Wilhelm Scheele (1774)Joint Institute for Nuclear Research, Lawrence Livermore National Laboratory, Vanderbilt University, Oak Ridge National Laboratory (2009)
First isolationCarl Wilhelm Scheele (1774)
Named bySir Humphry Davy (1810)JINR, LLNL, ORNL, Vanderbilt University
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