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Europium
Europium

Lutetium
Lutetium



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Europium vs Lutetium

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1 Periodic Table
1.1 Symbol
Eu
Lu
1.2 Group Number
NANA
Gadolinium
0 17
1.3 Period Number
66
Lithium
2 7
1.4 Block
f block
f block
1.5 Element Family
Lanthanide
Lanthanide
1.6 CAS Number
74405317439943
Aluminium
7429905 54386242
1.7 Space Group Name
Im_ 3m
P63/mmc
1.8 Space Group Number
229.00194.00
Plutonium
11 229
2 Facts
2.1 Interesting Facts
Not Available
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Eugène-Anatole Demarçay
Georges Urbain and Carl Auer von Welsbach
2.3.2 Discovery
In 1896
In 1906
2.4 Abundance
2.4.1 Abundance In Universe
5 * 10-8 %1 * 10-8 %
Thallium
5E-09 0.11
2.4.2 Abundance In Sun
~0.00000005 %~0.0000001 %
Beryllium
1E-08 0.1
2.4.3 Abundance In Meteorites
0.00 %0.00 %
Gold
1.7E-07 22
2.4.4 Abundance In Earth's Crust
0.00 %0.00 %
Radium
9.9E-12 8.1
2.4.5 Abundance In Oceans
0.00 %0.00 %
Protactinium
2E-23 1.1
2.4.6 Abundance In Humans
NANA
Radium
1E-13 1.4
3 Uses
3.1 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 .
3.1.1 Industrial Uses
Chemical Industry
NA
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
Alloys
Alloys
3.2 Biological Properties
3.2.1 Toxicity
Non Toxic
Low Toxic
3.2.2 Present in Human Body
3.2.3 In Blood
NANA
Plutonium
0 1970
3.2.4 In Bone
NANA
Plutonium
0 170000
4 Physical
4.1 Melting Point
822.00 °C1,652.00 °C
Francium
27 3410
4.2 Boiling Point
1,597.00 °C3,402.00 °C
Flerovium
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Silvery White
Silvery White
4.3.3 Luster
Lustrous
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
NANA
Cesium
0.2 8.5
4.4.2 Brinell Hardness
NA893.00 MPa
Cesium
0.14 3490
4.4.3 Vickers Hardness
167.00 MPa1,160.00 MPa
Palladium
121 3430
4.5 Speed of Sound
NANA
Thallium
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury
1.000933 1.7229
4.6.2 Reflectivity
NANA
Molybdenum
58 97
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
Eu
Lu
5.2 Isotopes
5.2.1 Known Isotopes
3135
Tennessine
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
1.201.27
Francium
0.7 2.54
5.3.2 Sanderson Electronegativity
1.01NA
Cesium
0.22 2.56
5.3.3 Allred Rochow Electronegativity
NA1.14
Cesium
0.86 1.82
5.3.4 Mulliken-Jaffe Electronegativity
NANA
Cesium
0.62 2.48
5.3.5 Allen Electronegativity
NANA
Cesium
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
NA2.73
Gold
1.46 3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
547.10 kJ/mol523.50 kJ/mol
Cesium
375.7 26130
5.5.2 2nd Energy Level
1,085.00 kJ/mol1,340.00 kJ/mol
Ruthenium
710.2162 28750
5.5.3 3rd Energy Level
2,404.00 kJ/mol2,022.30 kJ/mol
Osmium
1600 34230
5.5.4 4th Energy Level
4,120.00 kJ/mol4,370.00 kJ/mol
Thorium
2780 37066
5.5.5 5th Energy Level
NA6,445.00 kJ/mol
Dubnium
4305.2 97510
5.5.6 6th Energy Level
NANA
Seaborgium
5715.8 105800
5.5.7 7th Energy level
NANA
Bohrium
7226.8 114300
5.5.8 8th Energy Level
NANA
Hassium
8857.4 125300
5.5.9 9th Energy Level
NANA
Yttrium
14110 134700
5.5.10 10th Energy Level
NANA
Strontium
17100 144300
5.5.11 11th Energy Level
NANA
Yttrium
19900 169988
5.5.12 12th Energy Level
NANA
Molybdenum
22219 189368
5.5.13 13th Energy Level
NANA
Molybdenum
26930 76015
5.5.14 14th Energy Level
NANA
Molybdenum
29196 86450
5.5.15 15th Energy Level
NANA
Manganese
41987 97510
5.5.16 16th Energy Level
NANA
Iron
47206 109480
5.5.17 17th Energy Level
NANA
Cobalt
52737 122200
5.5.18 18th Energy Level
NANA
Nickel
58570 134810
5.5.19 19th Energy Level
NANA
Copper
64702 148700
5.5.20 20th Energy Level
NANA
Molybdenum
80400 171200
5.5.21 21st Energy Level
NANA
Molybdenum
87000 179100
5.5.22 22nd Energy Level
NANA
Molybdenum
93400 184900
5.5.23 23rd Energy Level
NANA
Molybdenum
98420 198800
5.5.24 24th Energy Level
NANA
Molybdenum
104400 195200
5.5.25 25th Energy Level
NANA
Molybdenum
121900 121900
5.5.26 26th Energy Level
NANA
Molybdenum
127700 127700
5.5.27 27th Energy Level
NANA
Molybdenum
133800 133800
5.5.28 28th Energy Level
NANA
Molybdenum
139800 139800
5.5.29 29th Energy Level
NANA
Molybdenum
148100 148100
5.5.30 30th Energy Level
NANA
Molybdenum
154500 154500
5.6 Electrochemical Equivalent
1.89 g/amp-hr2.18 g/amp-hr
Beryllium
0.16812 8.3209
5.7 Electron Work Function
2.50 eV3.30 eV
Cesium
2.14 5.65
5.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
6 Atomic
6.1 Atomic Number
6371
Lithium
3 117
6.2 Electron Configuration
[Xe] 4f7 6s2
[Xe] 6s2 4f14 5d1
6.3 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
6371
Lithium
3 117
6.4.2 Number of Neutrons
89104
Lithium
4 184
6.4.3 Number of Electrons
6371
Lithium
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
180.00 pm174.00 pm
Beryllium
112 265
6.5.2 Covalent Radius
198.00 pm187.00 pm
Beryllium
96 260
6.5.3 Van der Waals Radius
233.00 pm221.00 pm
Zinc
139 348
6.6 Atomic Weight
151.96 amu174.97 amu
Lithium
6.94 294
6.7 Atomic Volume
28.90 cm3/mol17.78 cm3/mol
Manganese
1.39 71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
45.60 (-eV)50.90 (-eV)
Francium
8 392.42
6.10 Lattice Constant
458.10 pm350.31 pm
Beryllium
228.58 891.25
6.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
6.12 Lattice C/A Ratio
NA1.59
Beryllium
1.567 1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
5.26 g/cm39.84 g/cm3
Lithium
0.534 40.7
7.1.2 Density When Liquid (at m.p.)
5.13 g/cm39.30 g/cm3
Lithium
0.512 20
7.2 Tensile Strength
120.00 MPaNA
Indium
2.5 11000
7.3 Viscosity
NANA
Mercury
0.001526 0.001526
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
19.40 (Pa)0.00 (Pa)
Cerium
2.47E-11 121
7.4.2 Vapor Pressure at 2000 K
NA3.18 (Pa)
Tungsten
2.62E-10 774
7.5 Elasticity properties
7.5.1 Shear Modulus
7.90 GPa27.20 GPa
Potassium
1.3 222
7.5.2 Bulk Modulus
8.30 GPa47.60 GPa
Cesium
1.6 462
7.5.3 Young's Modulus
18.20 GPa68.60 GPa
Cesium
1.7 528
7.6 Poisson Ratio
0.150.26
Beryllium
0.032 0.47
7.7 Other Mechanical Properties
Ductile
NA
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
5.249.84
Lithium
0.53 4500
8.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
8.1.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
8.1.4 Susceptibility
NANA
Bismuth
-0.000166 200000
8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
Conductor
8.2.2 Resistivity
0.90 nΩ·m582.00 nΩ·m
Thallium
0.18 961
8.2.3 Electrical Conductivity
0.01 106/cm Ω0.02 106/cm Ω
Plutonium
0.00666 0.63
8.2.4 Electron Affinity
50.00 kJ/mol50.00 kJ/mol
Mercury
0 222.8
9 Thermal
9.1 Specific Heat
0.18 J/(kg K)0.15 J/(kg K)
Americium
0.11 3.6
9.2 Molar Heat Capacity
27.66 J/mol·K26.86 J/mol·K
Beryllium
16.443 62.7
9.3 Thermal Conductivity
13.90 W/m·K16.40 W/m·K
Neptunium
6.3 429
9.4 Critical Temperature
NANA
Ytterbium
26.3 3223
9.5 Thermal Expansion
35.00 µm/(m·K)9.90 µm/(m·K)
Tungsten
4.5 97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
143.50 kJ/mol355.90 kJ/mol
Zinc
7.32 799.1
9.6.2 Enthalpy of Fusion
9.21 kJ/mol18.70 kJ/mol
Cesium
2.1 35.23
9.6.3 Enthalpy of Atomization
180.00 kJ/mol398.00 kJ/mol
Mercury
61.5 837
9.7 Standard Molar Entropy
77.80 J/mol.K51.00 J/mol.K
Beryllium
9.5 198.1