Element: Sodium (Na)

Element (atom) NameSodium
SymbolNa
Physical state at room temperatureSolid
Element ClassificationMetal
Group NameAlkali Metal
Group number (Periodic table)1
Period Number (Periodic table) 3
Atomic number11
Atomic Weight22.98976928 (Ref: jlab-ele011, Ciaaw-sodium, Nist-element 1)
22.99 (Ref: lanl-11)
Atomic Radius227 pm (Van der Waals) (Ref: lanl-11
Density0.97 g/cm3 (Ref: jlab-ele011)
Melting point97.80°C (Ref: jlab-ele011, lanl-11)
Boiling point883°C (Ref: jlab-ele011, lanl-11)
Electron Shell Configuration1s2 
2s2 2p6 
3s1 (Ref: jlab-ele011)
Oxidation States+1 (Ref: jlab-ele011)
Ionization Energy5.139 eV (Ref: jlab-ele011)
5.13907696 eV (Nist-element 1)
Number of Stable Isotopes1
InChI1S/Na (Pubchem-Sodium)
InChI KeyKEAYESYHFKHZAL-UHFFFAOYSA-N (Pubchem-Sodium)

REFERENCES

  • jlab-ele011: https://education.jlab.org/itselemental/ele011.html
  • lanl-11 : https://periodic.lanl.gov/11.shtml
  • Ciaaw-sodium : https://www.ciaaw.org/sodium.htm
  • Nist-element 1: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=1
  • Pubchem-Sodium  : https://pubchem.ncbi.nlm.nih.gov/element/Sodium

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