Stable isotope Yttrium (Y)

Isotope Z(p) N(n) Atomic Mass Natural Abundance Nuclear Spin
Y-89 39 50 88.905849 100.00% 1/2-
 

Properties of Yttrium

Name Yttrium
Symbol Y
Atomic number 39
Atomic weight 88.906
Standard state Solid at 298 °K
CAS Registry ID 7440-65-5
Group in periodic table 3
Group name None
Period in periodic table 5
Block in periodic table d-block
Color Silvery white
Classification Metallic
Melting point 1526 °C
Boiling point 3338 °C
Vaporization point 3336 °C
Thermal conductivity 17.2 W/(m·K) at 298.2 °K
Electrical resistivity 59.6 µΩ·cm at 25 °C
Electronegativity 1.3
Specific heat 0.3 kJ/kg K
Heat of vaporization 380 kJ·mol-1
Heat of fusion 11.4 kJ·mol-1
Density of liquid 4.24 g/cm3 at 1526 °C
Density of solid 4.47 g/cm
Electron configuration [Kr]4d15s2
Atomic radius 1.80 Å
Oxidation state +3