Ytterbium
Symbol
Yb
Atomic Number
70
Atomic Weight
173.04
Element Classification
Discovered By
Jean de Marignac
Discovery Date
1878 (Switzerland)
Name Origin
Named for the Swedish village of Ytterby.
Density(g/cc)
6.9654
Melting Point
1097
Boiling Point(K)
1466
Appearance
Silvery, lustrous, malleable, and ductile metal
Atomic Radius(pm)
194
Atomic Volume(cc/mol)
24.8
Covalent Radius(pm)
n/a
Ionic Radius
85.8 (+3e) 93 (+2e)
Specific Heat
0.145
Fusion Heat
3.35
Evaporation Heat(kj/mol)
159
Thermal Conductivity(@25°C W/m K)
(34.9)
Debye Temperature
n/a
Pauling Negativity Number
1.1
First Ionizing Energy(kj/mol)
603
Oxidation States
3, 2
Electronic Configuration
[Xe] 4f14 6s2
Lattice Structure
Face-Centered Cubic(FCC)
Lattice Constant
5.490
Lattice C/A Ratio
n/a
