Discovered By: Lars Fredrik Nilson
Discovery year: 1879

The following table showing some properties of Scandium(Sc):

Table Example
Atomic number 21
Group 3
Period 4
Block d
Electrons 21
Protons 21
Neutrons 24
Atomic weight 44.955908
Oxidation +3
Ionic charge Sc^3+


Table Example
Electrons per shell K2 L8 M9 N2
Electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^1
Atomic radius 184 pm
Covalent radius 170 pm
Boiling point 2830°C
Melting point 1541°C
Phase Solid
Fusion heat 16 kJ.mol^-1
Thermal expansion 1.02*10^-5 K^-1
Color Silver


Table Example
Brinell hardness 750 MPa
Bulk modulus 57 GPa
Density 2985 kg.m^-3
Liquid density 2800 kg.m^-3
Molar volume 1.506*10^-5 m^3.mol^-1
Poisson ratio 0.28
Shear modulus 29 GPa
Young's modulus 74 GPa
Electric conductivity 1.8*10^6 S.m^-1
Electric type Conductor


Table Example
Magnetic type Paramagnetic
Volume magnetic susceptibility 2.627*10^-4
Mass magnetic susceptibility 8.8*10^-8 m^3.kg^-1
Molar magnetic susceptibility 3.956*10^-9 m^3.mol^-1
Resistivity 5.5*10^-7 Ohm.m
Superconducting point 0.05 K
Electronegativity 1.36
Valence 3
Electron affinity 18.1 kJ.mol^-1
Radioactive No