Element: Rhenium (Re)

Element (Atom) NameRhenium
SymbolRe
Physical state at room temperatureSolid
Element ClassificationMetal
Group NameNone
Period Number (Periodic table) 6
Group number (Periodic table)7
Atomic number75
Atomic weight186.207 (Ref: Jlab-ele075, ciaaw-rhenium, Nist-75)186.2 (Ref: Nist-75)
Atomic Radius217 pm (Van der Waals) (Ref: Nist-75)
Density20.8 g/cm3 (Ref: Jlab-ele075)
Melting point3186°C (Ref: Jlab-ele075, Nist-75)
Boiling point5596°C (Ref: Jlab-ele075)
5630 °C (Ref: Nist-75)
Electron shell configuration1s2 
2s2 2p6 
3s2 3p6 3d10 
4s2 4p6 4d10 4f14 
5s2 5p6 5d5
6s2 
Oxidation States+7, +6, +4 (Ref: Jlab-ele075)
7, 6, 5, 4, 3, 2, 1, 0, −1, −3 ​(a mildly acidic oxide) (Ref: Nist-75)
Ionization Energy7.88 eV (Ref: Jlab-ele075)
7.83352 eV (Ref: Nist-75)
Number of Stable Isotopes1
InChIInChI=1S/Re (Ref: Pubchem-75)
InChI KeyWUAPFZMCVAUBPE-UHFFFAOYSA-N (Ref: Pubchem-75)
Remarks 

REFERENCES

  • Jlab-ele075: https://education.jlab.org/itselemental/ele075.html
  • Lanl-75: https://periodic.lanl.gov/75.shtml
  • ciaaw-rhenium: https://www.ciaaw.org/rhenium.htm
  • Nist-75: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=75
  • Pubchem-75: https://pubchem.ncbi.nlm.nih.gov/element/75
  • science.co.il: https://www.science.co.il/elements/

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