Element: Scandium (Sc)

Element (Atom) NameScandium
SymbolSc
Physical state at room temperatureSolid
Element ClassificationMetal
Group NameNone
Period Number (Periodic table) 4
Group number (Periodic table)3
Atomic number21
Atomic weight44.955908 (Ref: Jlab-ele021, Ciaaw-scandium, Nist-21)
44.96 (Ref: Lanl-21)
Atomic Radius211 pm (Van der Waals) (Ref: Lanl-21)
Density2.99 g/cm3 (Ref: Jlab-ele021)
Melting point1541°C (Ref: Jlab-ele021, Lanl-21)
Boiling point2836°C (Ref: Jlab-ele021, Lanl-21)
Electron shell configuration1s2 2s2 2p6 3s2 3p6 3d1 4s2
Oxidation States+3 (Ref: Jlab-ele021)
3, 2, 1 ​(an amphoteric oxide) (Ref: Lanl-21)
Ionization Energy6.561 eV (Ref: Jlab-ele021)
6.56149  eV (Ref: Nist-21)
Number of Stable Isotopes
InChI1S/Sc (Ref: Pubchem-21)
InChI KeySIXSYDAISGFNSX-UHFFFAOYSA-N (Ref: Pubchem-21)
Remarks 

REFERENCES

  • Jlab-ele021: https://education.jlab.org/itselemental/ele021.html
  • Lanl-21: https://periodic.lanl.gov/21.shtml
  • Ciaaw-scandium : https://www.ciaaw.org/scandium.htm
  • Nist-21 : https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=21
  • Pubchem-21: https://pubchem.ncbi.nlm.nih.gov/element/21

science.co.il: https://www.science.co.il/elements/

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