Symbol
Yb
Atomic Number
70
Atomic Mass
173.04
Protons
70
Neutrons
103
Electrons
70
Type
Lanthanide
Isotopes
Ytterbium-168, Ytterbium-170, Ytterbium-171, Ytterbium-172, Ytterbium-173, Ytterbium-174, Ytterbium-176
Discovery Year
1878
Discovered By
Jean Charles Galissard de Marignac
Group
3
Period
6
Boiling Point
1096°C
Melting Point
824°C
Electron Configuration
[Xe] 6s² 4f¹⁴
Density (g/cm³)
6.973
Crystal Structure
Hexagonal
Magnetism
Paramagnetic
Abundance in Earth's Crust
0.0001%
Phase at Room Temperature
Solid