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Europium
Europium

Lutetium
Lutetium



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Europium
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Lutetium

Europium Lutetium Comparison

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1 Periodic Table
1.1 Symbol
Eu
Lu
1.2 Group Number
NANA
Gadolinium Metal
0 17
1.5 Period Number
66
Lithium Metal
2 7
2.2 Block
f block
f block
2.3 Element Family
Lanthanide
Lanthanide
2.4 CAS Number
74405317439943
Aluminium Metal
7429905 54386242
2.5 Space Group Name
Im_ 3m
P63/mmc
2.6 Space Group Number
229.00194.00
Plutonium Metal
11 229
3 Facts
3.1 Interesting Facts
Not Available
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
3.2 Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
3.3 History
3.3.1 Who Discovered
Eugène-Anatole Demarçay
Georges Urbain and Carl Auer von Welsbach
3.3.2 Discovery
In 1896
In 1906
3.4 Abundance
3.4.1 Abundance In Universe
5 * 10-8 %1 * 10-8 %
Thallium Metal
5E-09 0.11
3.5.1 Abundance In Sun
~0.00000005 %~0.0000001 %
Beryllium Metal
1E-08 0.1
3.7.2 Abundance In Meteorites
0.00 %0.00 %
Gold Metal
1.7E-07 22
3.7.4 Abundance In Earth's Crust
0.00 %0.00 %
Radium Metal
9.9E-12 8.1
3.8.2 Abundance In Oceans
0.00 %0.00 %
Protactinium Metal
2E-23 1.1
3.8.4 Abundance In Humans
NANA
Radium Metal
1E-13 1.4
4 Uses
4.1 Uses & Benefits
  • Europium metals main uses is in the printing of euro banknotes. These notes glow red under UV light.
  • It is used in low energy light bulbs.
  • Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
4.1.1 Industrial Uses
Chemical Industry
NA
4.1.2 Medical Uses
NA
NA
4.1.3 Other Uses
Alloys
Alloys
4.2 Biological Properties
4.2.1 Toxicity
Non Toxic
Low Toxic
4.2.2 Present in Human Body
4.2.3 In Blood
NANA
Plutonium Metal
0 1970
4.2.5 In Bone
NANA
Plutonium Metal
0 170000
5 Physical
5.1 Melting Point
822.00 °C1,652.00 °C
Francium Metal
27 3410
6.2 Boiling Point
1,597.00 °C3,402.00 °C
Flerovium Metal
147 5660
6.3 Appearance
6.3.1 Physical State
Solid
Solid
6.3.2 Color
Silvery White
Silvery White
6.3.3 Luster
Lustrous
Metallic
6.4 Hardness
6.4.1 Mohs Hardness
NANA
Cesium Metal
0.2 8.5
6.5.4 Brinell Hardness
NA893.00 MPa
Cesium Metal
0.14 3490
6.5.5 Vickers Hardness
167.00 MPa1,160.00 MPa
Palladium Metal
121 3430
6.6 Speed of Sound
NANA
Thallium Metal
818 16200
6.7 Optical Properties
6.7.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
7.1.1 Reflectivity
NANA
Molybdenum Metal
58 97
7.2 Allotropes
7.2.1 α Allotropes
Not Available
Not Available
7.2.2 β Allotropes
Not Available
Not Available
7.2.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
Eu
Lu
8.2 Isotopes
8.2.1 Known Isotopes
3135
Tennessine Metal
0 38
8.4 Electronegativity
8.4.1 Pauling Electronegativity
1.201.27
Francium Metal
0.7 2.54
8.4.2 Sanderson Electronegativity
1.01NA
Cesium Metal
0.22 2.56
8.5.1 Allred Rochow Electronegativity
NA1.14
Cesium Metal
0.86 1.82
8.5.2 Mulliken-Jaffe Electronegativity
NANA
Cesium Metal
0.62 2.48
8.5.3 Allen Electronegativity
NANA
Cesium Metal
0.659 2.7
8.7 Electropositivity
8.7.1 Pauling Electropositivity
NA2.73
Gold Metal
1.46 3.3
8.8 Ionization Energies
8.8.1 1st Energy Level
547.10 kJ/mol523.50 kJ/mol
Cesium Metal
375.7 26130
8.9.1 2nd Energy Level
1,085.00 kJ/mol1,340.00 kJ/mol
Ruthenium Metal
710.2162 28750
8.9.2 3rd Energy Level
2,404.00 kJ/mol2,022.30 kJ/mol
Osmium Metal
1600 34230
8.10.2 4th Energy Level
4,120.00 kJ/mol4,370.00 kJ/mol
Thorium Metal
2780 37066
8.10.3 5th Energy Level
NA6,445.00 kJ/mol
Dubnium Metal
4305.2 97510
8.10.5 6th Energy Level
NANA
Seaborgium Metal
5715.8 105800
8.10.6 7th Energy level
NANA
Bohrium Metal
7226.8 114300
8.10.7 8th Energy Level
NANA
Hassium Metal
8857.4 125300
8.10.9 9th Energy Level
NANA
Yttrium Metal
14110 134700
8.10.10 10th Energy Level
NANA
Strontium Metal
17100 144300
8.10.11 11th Energy Level
NANA
Yttrium Metal
19900 169988
8.11.1 12th Energy Level
NANA
Molybdenum Metal
22219 189368
8.11.2 13th Energy Level
NANA
Molybdenum Metal
26930 76015
8.11.3 14th Energy Level
NANA
Molybdenum Metal
29196 86450
8.11.4 15th Energy Level
NANA
Manganese Metal
41987 97510
8.11.5 16th Energy Level
NANA
Iron Metal
47206 109480
8.11.6 17th Energy Level
NANA
Cobalt Metal
52737 122200
8.11.7 18th Energy Level
NANA
Nickel Metal
58570 134810
8.11.8 19th Energy Level
NANA
Copper Metal
64702 148700
8.11.9 20th Energy Level
NANA
Molybdenum Metal
80400 171200
8.11.10 21st Energy Level
NANA
Molybdenum Metal
87000 179100
8.11.11 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
8.11.12 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
8.11.13 24th Energy Level
NANA
Molybdenum Metal
104400 195200
8.11.14 25th Energy Level
NANA
Molybdenum Metal
121900 121900
8.11.15 26th Energy Level
NANA
Molybdenum Metal
127700 127700
8.11.16 27th Energy Level
NANA
Molybdenum Metal
133800 133800
8.11.17 28th Energy Level
NANA
Molybdenum Metal
139800 139800
8.11.18 29th Energy Level
NANA
Molybdenum Metal
148100 148100
8.11.19 30th Energy Level
NANA
Molybdenum Metal
154500 154500
8.12 Electrochemical Equivalent
1.89 g/amp-hr2.18 g/amp-hr
Beryllium Metal
0.16812 8.3209
8.13 Electron Work Function
2.50 eV3.30 eV
Cesium Metal
2.14 5.65
8.14 Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
9 Atomic
9.1 Atomic Number
6371
Lithium Metal
3 117
9.2 Electron Configuration
[Xe] 4f7 6s2
[Xe] 6s2 4f14 5d1
9.3 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
9.3.1 Crystal Lattice
9.4 Atom
9.4.1 Number of Protons
6371
Lithium Metal
3 117
9.4.2 Number of Neutrons
89104
Lithium Metal
4 184
9.4.3 Number of Electrons
6371
Lithium Metal
3 117
9.5 Radius of an Atom
9.5.1 Atomic Radius
180.00 pm174.00 pm
Beryllium Metal
112 265
9.5.2 Covalent Radius
198.00 pm187.00 pm
Beryllium Metal
96 260
9.5.3 Van der Waals Radius
233.00 pm221.00 pm
Zinc Metal
139 348
9.6 Atomic Weight
151.96 amu174.97 amu
Lithium Metal
6.94 294
9.7 Atomic Volume
28.90 cm3/mol17.78 cm3/mol
Manganese Metal
1.39 71.07
9.8 Adjacent Atomic Numbers
9.8.1 Previous Element
9.8.2 Next Element
9.9 Valence Electron Potential
45.60 (-eV)50.90 (-eV)
Francium Metal
8 392.42
9.10 Lattice Constant
458.10 pm350.31 pm
Beryllium Metal
228.58 891.25
9.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
9.12 Lattice C/A Ratio
NA1.59
Beryllium Metal
1.567 1.886
10 Mechanical
10.1 Density
10.1.1 Density At Room Temperature
5.26 g/cm39.84 g/cm3
Lithium Metal
0.534 40.7
10.1.2 Density When Liquid (at m.p.)
5.13 g/cm39.30 g/cm3
Lithium Metal
0.512 20
10.2 Tensile Strength
120.00 MPaNA
Indium Metal
2.5 11000
10.3 Viscosity
NANA
Mercury Metal
0.001526 0.001526
10.4 Vapor Pressure
10.4.1 Vapor Pressure at 1000 K
19.40 (Pa)0.00 (Pa)
Cerium Metal
2.47E-11 121
10.4.2 Vapor Pressure at 2000 K
NA3.18 (Pa)
Tungsten Metal
2.62E-10 774
10.5 Elasticity properties
10.5.1 Shear Modulus
7.90 GPa27.20 GPa
Potassium Metal
1.3 222
10.5.2 Bulk Modulus
8.30 GPa47.60 GPa
Cesium Metal
1.6 462
10.5.3 Young's Modulus
18.20 GPa68.60 GPa
Cesium Metal
1.7 528
10.6 Poisson Ratio
0.150.26
Beryllium Metal
0.032 0.47
10.7 Other Mechanical Properties
Ductile
NA
11 Magnetic
11.1 Magnetic Characteristics
11.1.1 Specific Gravity
5.249.84
Lithium Metal
0.53 4500
11.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
11.1.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
11.1.4 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
11.2 Electrical Properties
11.2.1 Electrical Property
Conductor
Conductor
11.2.2 Resistivity
0.90 nΩ·m582.00 nΩ·m
Thallium Metal
0.18 961
11.2.3 Electrical Conductivity
0.01 106/cm Ω0.02 106/cm Ω
Plutonium Metal
0.00666 0.63
11.2.4 Electron Affinity
50.00 kJ/mol50.00 kJ/mol
Mercury Metal
0 222.8
12 Thermal
12.1 Specific Heat
0.18 J/(kg K)0.15 J/(kg K)
Americium Metal
0.11 3.6
12.2 Molar Heat Capacity
27.66 J/mol·K26.86 J/mol·K
Beryllium Metal
16.443 62.7
12.3 Thermal Conductivity
13.90 W/m·K16.40 W/m·K
Neptunium Metal
6.3 429
12.4 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
12.5 Thermal Expansion
35.00 µm/(m·K)9.90 µm/(m·K)
Tungsten Metal
4.5 97
12.6 Enthalpy
12.6.1 Enthalpy of Vaporization
143.50 kJ/mol355.90 kJ/mol
Zinc Metal
7.32 799.1
12.6.2 Enthalpy of Fusion
9.21 kJ/mol18.70 kJ/mol
Cesium Metal
2.1 35.23
12.6.3 Enthalpy of Atomization
180.00 kJ/mol398.00 kJ/mol
Mercury Metal
61.5 837
12.7 Standard Molar Entropy
77.80 J/mol.K51.00 J/mol.K
Beryllium Metal
9.5 198.1