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Lutetium

Lu Lutetium
71
174.967
6
Symbol
Lu
Atomic Number
71
Atomic Weight
174.967
Discovered By
Georges Urbain
Discovery Date
1907 (France)
Name Origin
Named for the ancient name of Paris, Lutecia.
Density(g/cc)
9.8404
Melting Point
1936
Boiling Point(K)
3668
Appearance
Silvery-white, hard, dense, rare-earth metal
Atomic Radius(pm)
175
Atomic Volume(cc/mol)
17.8
Covalent Radius(pm)
156
Ionic Radius
85 (+3e)
Specific Heat
0.155
Fusion Heat
n/a
Evaporation Heat(kj/mol)
414
Thermal Conductivity(@25°C W/m K)
(16.4)
Debye Temperature
n/a
Pauling Negativity Number
1.27
First Ionizing Energy(kj/mol)
513
Oxidation States
3
Electronic Configuration
[Xe] 4f14 5d1 6s2
Lattice Structure
Hexagonal(HEX)
Lattice Constant
3.510
Lattice C/A Ratio
1.585

KEY

SEE ALSO

Lutetium

Columbia Encyclopedia

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