Discovered By: Johan Gadolin
Discovery year: 1794

The following table showing some properties of Yttrium(Y):

Table Example
Atomic number 39
Group 3
Period 5
Block d
Electrons 39
Protons 39
Neutrons 50
Atomic weight 88.90584
Oxidation states +3
Ionic charge Y^3+


Table Example
Electrons per shell K2 L8 M18 N9 02
Electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^1
Atomic radius 212 pm
Covalent radius 190 pm
Boiling point 3345°C
Melting point 1526°C
Phase Solid
Fusion heat 11.4 kJ.mol^-1
Vaporization heat 380 kJ.mol^-1
Thermal expansion 1.06*10^-5 K^-1


Table Example
Color Silver
Brinell hardness 589 MPa
Bulk modulus 41 GPa
Density 4472 kg.m^-3
Liquid density 4240 kg.m^-3
Poisson ratio 0.24
Shear modulus 26 GPa
Sound speed 3300 m.s^-1
Thermal conductivity 17 W.m^-1.k^-1
Young's modulus 64 GPa


Table Example
Electrical type Conductor
Magnetic type Paramagnetic
Volume magnetic susceptibility 2.978*10^-4
Mass magnetic susceptibility 6.66*10^-8 m^3.kg^-1
Molar magnetic susceptibility 5.921*10^-9 m^3.mol^-1
Superconducting point 1.3 K
Electronegativity 1.22
Valence 3
Radioactive No
Neutron cross section 1.28 barn