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Ytterbium

Yb Ytterbium
70
173.04
9
Symbol
Yb
Atomic Number
70
Atomic Weight
173.04
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

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Ytterbium

Columbia Encyclopedia

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