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 (K):
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 (kJ/mol):
3.35
Evaporation Heat (kJ/mol):
159
Thermal Conductivity (@25°C W/m K):
(34.9)
Debye Temperature (K):
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
