Element: Plutonium (Pu)

Element (Atom) NamePlutonium
SymbolPu
Physical state at room temperatureSolid
Element ClassificationMetal
Group NameActinide
Period Number (Periodic table) 7
Group number (Periodic table)None
Atomic number94
Atomic weight244 (Ref: Jlab-ele094, Lanl-94, Nist-94)
Atomic Radius243 pm (Van der Waals) (Ref: Lanl-94)
Density19.84 g/cm3 (Ref: Jlab-ele094)
Melting point640°C (Ref: Jlab-ele094, Lanl-94)
Boiling point3228°C (Ref: Jlab-ele094, Lanl-94)
Electron shell configuration1s2 
2s2 2p6 
3s2 3p6 3d10 
4s2 4p6 4d10 4f14 
5s2 5p6 5d10 5f6
6s2 6p67s2
Oxidation States+6, +5, +4, +3 (Ref: Jlab-ele094)
8, 7, 6, 5, 4, 3, 2, 1 (Ref: Lanl-94)
Ionization Energy6.06 eV (Ref: Jlab-ele094)
6.02576 eV (Ref: Nist-94)
Number of Stable Isotopes0
InChIInChI=1S/Pu (Ref: Pubchem-94)
InChI KeyOYEHPCDNVJXUIW-UHFFFAOYSA-N (Ref: Pubchem-94)
RemarksRadioactive, Artificially Produced

REFERENCES

  • Jlab-ele094: https://education.jlab.org/itselemental/ele094.html
  • Lanl-94: https://periodic.lanl.gov/94.shtml
  • ciaaw-atomic-weights: https://www.ciaaw.org/atomic-weights.htm
  • Nist-94: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=94
  • Pubchem-94: https://pubchem.ncbi.nlm.nih.gov/element/94
  • science.co.il: https://www.science.co.il/elements/

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