Scandium

Symbol | Sc
Latin name | Scandium
Atomic number | 21
Period | 4
Element category | Transition elements
Relative atomic mass | 44.955910
Group | III.B
Electronegativity | 1.3
Oxidation numbers | 3
Electron configuration | 1s2 2s2 2p6 3s2 3p6 3d1 4s2
Density [g/cm3] | 2.989
State | Solid
Melting point [°C] | 1541
Boiling point [°C] | 2750
Thermal conductivity [W m-1K-1] | 15.8
Heat capacity [J K-1g-1] | 0.568
Discovery | 1876
Brinell hardness [MPa] | 750
Young's modulus [GPa] | 74
Electrical conductivity [S m-1] | 1.8 · 106
Shear modulus [GPa] | 29
1.st ionization energy [eV] | 6.5614
2.nd ionization energy [eV] | 12.8
3.rd ionization energy [eV] | 24.76
Stable isotopes | 1
Unstable isotopes | 14