Discovered By: Jean-Charles-Galinard de Marignac
Discovery year: 1878

The following table showing some properties of Ytterbium(Yb):

Table Example
Atomic number 70
Group n/a
Period 6
Block f
Electrons 70
Protons 70
Neutrons 103
Atomic weight 173.045
Oxidation states +2, +3
Ionic charge Yb^3+, Yb^2+


Table Example
Electrons per shell K2 L8 M18 N32 O8 P2
Electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^6 6s^2 4f^14
Atomic radius 222 pm
Covalent radius 187 pm
Boiling point 1196°C
Melting point 819°C
Phase Solid
Fusion heat 7.7 kJ.mol^-1
Thermal expansion 2.63*10^-5 K^-1
Vaporization heat 160 kJ.mol^-1


Table Example
Color Silver
Brinell hardness 343 MPa
Bulk modulus 31 GPa
Density 6570 kg.m^-3
Liquid density 6210 kg.m^-3
Molar volume 2.634*10^-5 m^3.mol^-1
Poisson ratio 0.21
Shear modulus 9.9 GPa
Sound speed 1590 m.s^-1
Vickers hardness 206 MPa


Table Example
Young's modulus 24 GPa
Electrical conductivity 3.6*10^6 S.m^-1
Electrical type Conductor
Magnetic type Paramagnetic
Resistivity 2.8*10^-7 Ohm.m
Valence 3
Radioactive No
Electron affinity 50 kJ.mol^-1
First ionization energy 603.4 kJ.mopl^-1
Neutron cross section 35 barn