Symbol
Lu
Group Number
3
Rank: 15 (Overall)
0
17
👆🏻
Period Number
6
Rank: 2 (Overall)
2
7
👆🏻
Block
f block
Element Family
Lanthanide
CAS Number
7439943
Rank: 84 (Overall)
7429905
54386242
👆🏻
Space Group Name
P63/mmc
Space Group Number
194.00
Rank: 7 (Overall)
11
276
👆🏻
Interesting Facts
- Metal dust of Lutetium element is highly explosive.
- Lutetium metal is corrosion resistance and acts stable in air.
Sources
Found in Minerals, Mining, Ores of Minerals
History
Who Discovered
Georges Urbain and Carl Auer von Welsbach
Discovery
In 1906
Abundance
Abundance In Universe
0.00 %
Rank: 31 (Overall)
0
0.11
👆🏻
Abundance In Sun
0.00 %
Rank: 26 (Overall)
0
0.1
👆🏻
Abundance In Meteorites
0.00 %
Rank: 48 (Overall)
0
22
👆🏻
Abundance In Earth's Crust
0.00 %
Rank: 41 (Overall)
1E-37
8.1
👆🏻
Abundance In Oceans
0.00 %
Rank: 44 (Overall)
0
1.1
👆🏻
Abundance In Humans
0.00 %
Rank: 24 (Overall)
0
1.4
👆🏻
Uses & Benefits
- Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
Industrial Uses
-
Medical Uses
-
Other Uses
Alloys
Biological Properties
Toxicity
Low Toxic
Present in Human Body
✔
✘
27% - Lanthanide Series Metals
In Blood
0.00 Blood/mg dm-3
Rank: 37 (Overall)
0
1970
👆🏻
In Bone
0.00 p.p.m.
Rank: 41 (Overall)
0
170000
👆🏻
Melting Point
1,652.00 °C
Rank: 19 (Overall)
-38.83
3410
👆🏻
Boiling Point
3,402.00 °C
Rank: 20 (Overall)
0
5660
👆🏻
Appearance
Physical State
Solid
Color
Silvery White
Luster
Metallic
Hardness
Mohs Hardness
4.50
Rank: 10 (Overall)
0.2
8.5
👆🏻
Brinell Hardness
893.00 MPa
Rank: 11 (Overall)
0.14
3490
👆🏻
Vickers Hardness
1,160.00 MPa
Rank: 14 (Overall)
0
3920
👆🏻
Speed of Sound
5,200.00 m/s
Rank: 10 (Overall)
818
16200
👆🏻
Optical Properties
Refractive Index
1.90
Rank: 18 (Overall)
0.155
3.41
👆🏻
Reflectivity
60.00 %
Rank: 23 (Overall)
5
97
👆🏻
Allotropes
✔
✘
No - Lanthanide Series Metals has it !
α Allotropes
-
β Allotropes
-
γ Allotropes
-
Chemical Formula
Lu
Isotopes
Known Isotopes
35
Rank: 4 (Overall)
0
38
👆🏻
Electronegativity
Pauling Electronegativity
1.27
Rank: 35 (Overall)
0
2.6
👆🏻
Sanderson Electronegativity
1.27
Rank: 27 (Overall)
0.22
2.56
👆🏻
Allred Rochow Electronegativity
1.14
Rank: 29 (Overall)
0.86
1.9
👆🏻
Mulliken-Jaffe Electronegativity
1.27
Rank: 34 (Overall)
0.62
2.48
👆🏻
Allen Electronegativity
1.27
Rank: 43 (Overall)
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.73
Rank: 20 (Overall)
1.46
3.3
👆🏻
Ionization Energies
1st Energy Level
523.50 kJ/mol
Rank: 79 (Overall)
375.7
26130
👆🏻
2nd Energy Level
1,340.00 kJ/mol
Rank: 52 (Overall)
392.8
28750
👆🏻
3rd Energy Level
2,022.30 kJ/mol
Rank: 77 (Overall)
392.8
34230
👆🏻
4th Energy Level
4,370.00 kJ/mol
Rank: 38 (Overall)
375.7
37066
👆🏻
5th Energy Level
6,445.00 kJ/mol
Rank: 34 (Overall)
392
97510
👆🏻
6th Energy Level
5,230.00 kJ/mol
Rank: 83 (Overall)
1007
105800
👆🏻
7th Energy level
5,230.00 kJ/mol
Rank: 75 (Overall)
1007
114300
👆🏻
8th Energy Level
5,230.00 kJ/mol
Rank: 74 (Overall)
730
125300
👆🏻
9th Energy Level
5,230.00 kJ/mol
Rank: 73 (Overall)
1007
134700
👆🏻
10th Energy Level
5,230.00 kJ/mol
Rank: 71 (Overall)
392
144300
👆🏻
11th Energy Level
5,235.00 kJ/mol
Rank: 76 (Overall)
392
169988
👆🏻
12th Energy Level
5,230.00 kJ/mol
Rank: 79 (Overall)
0
189368
👆🏻
13th Energy Level
5,230.00 kJ/mol
Rank: 69 (Overall)
1007
76015
👆🏻
14th Energy Level
5,230.00 kJ/mol
Rank: 54 (Overall)
380
86450
👆🏻
15th Energy Level
52,300.00 kJ/mol
Rank: 69 (Overall)
33000
100700
👆🏻
16th Energy Level
52,300.00 kJ/mol
Rank: 55 (Overall)
375.7
109480
👆🏻
17th Energy Level
523.50 kJ/mol
Rank: 84 (Overall)
375.7
122200
👆🏻
18th Energy Level
5,230.00 kJ/mol
Rank: 70 (Overall)
0
134810
👆🏻
19th Energy Level
523.50 kJ/mol
Rank: 83 (Overall)
375.7
148700
👆🏻
20th Energy Level
523.00 kJ/mol
Rank: 73 (Overall)
0
171200
👆🏻
21st Energy Level
523.50 kJ/mol
Rank: 83 (Overall)
375.7
179100
👆🏻
22nd Energy Level
523.00 kJ/mol
Rank: 67 (Overall)
330
184900
👆🏻
23rd Energy Level
5,230.00 kJ/mol
Rank: 28 (Overall)
357.6
198800
👆🏻
24th Energy Level
523.50 kJ/mol
Rank: 79 (Overall)
297.3
195200
👆🏻
25th Energy Level
523.00 kJ/mol
Rank: 71 (Overall)
0
121900
👆🏻
26th Energy Level
523.50 kJ/mol
Rank: 79 (Overall)
357.6
127700
👆🏻
27th Energy Level
523.50 kJ/mol
Rank: 74 (Overall)
0
133800
👆🏻
28th Energy Level
523.50 kJ/mol
Rank: 77 (Overall)
297.3
139800
👆🏻
29th Energy Level
523.50 kJ/mol
Rank: 80 (Overall)
0
148100
👆🏻
30th Energy Level
523.00 kJ/mol
Rank: 74 (Overall)
0
154500
👆🏻
Electrochemical Equivalent
2.18 g/amp-hr
Rank: 27 (Overall)
0.16812
8.3209
👆🏻
Electron Work Function
3.30 eV
Rank: 44 (Overall)
2.14
6
👆🏻
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Atomic Number
71
Rank: 45 (Overall)
3
117
👆🏻
Electron Configuration
[Xe] 6s2 4f14 5d1
Crystal Structure
Hexagonal Close Packed (HCP)
Crystal Lattice
Atom
Number of Protons
71
Rank: 44 (Overall)
3
117
👆🏻
Number of Neutrons
104
Rank: 31 (Overall)
4
285
👆🏻
Number of Electrons
71
Rank: 44 (Overall)
3
117
👆🏻
Radius of an Atom
Atomic Radius
174.00 pm
Rank: 22 (Overall)
0
348
👆🏻
Covalent Radius
187.00 pm
Rank: 20 (Overall)
0
260
👆🏻
Van der Waals Radius
221.00 pm
Rank: 27 (Overall)
0
348
👆🏻
Atomic Weight
174.97 amu
Rank: 40 (Overall)
6.94
294
👆🏻
Atomic Volume
17.78 cm3/mol
Rank: 44 (Overall)
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
50.90 (-eV)
Rank: 27 (Overall)
0
392.42
👆🏻
Lattice Constant
350.31 pm
Rank: 47 (Overall)
0
891.25
👆🏻
Lattice Angles
π/2, π/2, 2 π/3
Lattice C/A Ratio
1.59
Rank: 32 (Overall)
0.423
1.9
👆🏻
Density
Density At Room Temperature
9.84 g/cm3
Rank: 42 (Overall)
0.534
40.7
👆🏻
Density When Liquid (at m.p.)
9.30 g/cm3
Rank: 47 (Overall)
0.512
41
👆🏻
Tensile Strength
230.00 MPa
Rank: 18 (Overall)
0.1
11000
👆🏻
Viscosity
0.00
Rank: 25 (Overall)
1.5E-05
0.0035
👆🏻
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa)
Rank: 35 (Overall)
0
121
👆🏻
Vapor Pressure at 2000 K
3.18 (Pa)
Rank: 11 (Overall)
0
774
👆🏻
Elasticity properties
Shear Modulus
27.20 GPa
Rank: 33 (Overall)
1.3
222
👆🏻
Bulk Modulus
47.60 GPa
Rank: 25 (Overall)
0
462
👆🏻
Young's Modulus
68.60 GPa
Rank: 32 (Overall)
0
528
👆🏻
Poisson Ratio
0.26
Rank: 21 (Overall)
0.032
0.47
👆🏻
Other Mechanical Properties
-
Magnetic Characteristics
Specific Gravity
9.84
Rank: 43 (Overall)
0.53
4500
👆🏻
Magnetic Ordering
Paramagnetic
Permeability
0.00 H/m
Rank: 9 (Overall)
1.25643E-06
0.0063
👆🏻
Susceptibility
0.00
Rank: 14 (Overall)
-0.000166
200000
👆🏻
Electrical Properties
Electrical Property
Conductor
Resistivity
582.00 nΩ·m
Rank: 9 (Overall)
0.1
961
👆🏻
Electrical Conductivity
0.02 106/cm Ω
Rank: 50 (Overall)
0
0.63
👆🏻
Electron Affinity
50.00 kJ/mol
Rank: 26 (Overall)
0
222.8
👆🏻
Specific Heat
0.15 J/(kg K)
Rank: 37 (Overall)
0.1
3.6
👆🏻
Molar Heat Capacity
26.86 J/mol·K
Rank: 31 (Overall)
13.1
62.7
👆🏻
Thermal Conductivity
16.40 W/m·K
Rank: 52 (Overall)
0
429
👆🏻
Critical Temperature
1,925.00 K
Rank: 23 (Overall)
26.3
3695
👆🏻
Thermal Expansion
9.90 µm/(m·K)
Rank: 53 (Overall)
4.5
97
👆🏻
Enthalpy
Enthalpy of Vaporization
355.90 kJ/mol
Rank: 32 (Overall)
7.32
799.1
👆🏻
Enthalpy of Fusion
18.70 kJ/mol
Rank: 13 (Overall)
2.1
35.23
👆🏻
Enthalpy of Atomization
398.00 kJ/mol
Rank: 26 (Overall)
61.5
837
👆🏻
Standard Molar Entropy
51.00 J/mol.K
Rank: 41 (Overall)
9.5
198.1
👆🏻