Element: Zirconium (Zr)

Element (Atom) NameZirconium
SymbolZr
Physical state at room temperatureSolid
Element ClassificationMetal
Group NameNone
Period Number (Periodic table) 5
Group number (Periodic table)4
Atomic number40
Atomic weight91.224 (Ref: Jlab-ele040, ciaaw-zirconium, Nist-40)
91.22 (Ref: Lanl-40)
Atomic Radius186 pm (Van der Waals) (Ref: Lanl-40)
Density6.52 g/cm3 (Ref: Jlab-ele040)
Melting point1855°C (Ref: Jlab-ele040, Lanl-40)
Boiling point4409°C (Ref: Jlab-ele040)
4377 °C (Ref: Lanl-40)
Electron shell configuration1s2 
2s2 2p6 
3s2 3p6 3d10 
4s2 4p6 4d2 
5s2
Oxidation States+4 (Ref: Jlab-ele040)
4, 3, 2, 1, −2 ​(an amphoteric oxide) (Ref: Lanl-40)
Ionization Energy6.634 eV (Ref: Jlab-ele040)
6.634126  eV (Ref: Nist-40)
Number of Stable Isotopes4
InChIInChI=1S/Zr (Ref: Pubchem-40)
InChI KeyQCWXUUIWCKQGHC-UHFFFAOYSA-N (Ref: Pubchem-40)
Remarks 

REFERENCES

  • Jlab-ele040: https://education.jlab.org/itselemental/ele040.html
  • Lanl-40: https://periodic.lanl.gov/40.shtml
  • ciaaw-zirconium: https://www.ciaaw.org/zirconium.htm
  • Nist-40 : https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=40
  • Pubchem-40: https://pubchem.ncbi.nlm.nih.gov/element/40
  • science.co.il: https://www.science.co.il/elements/

Was this post helpful?

Author: admin

Leave a Reply

Your email address will not be published.