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Lutetium
Lutetium

Actinium
Actinium



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Lutetium
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Actinium

Lutetium Actinium Comparison

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1 Periodic Table
1.1 Symbol
Lu
Ac
1.2 Group Number
NANA
Gadolinium Metal
0 17
2.5 Period Number
67
Lithium Metal
2 7
2.6 Block
f block
f block
2.7 Element Family
Lanthanide
Actinide
2.8 CAS Number
74399437440348
Aluminium Metal
7429905 54386242
2.10 Space Group Name
P63/mmc
Fm_ 3m
2.11 Space Group Number
194.00225.00
Plutonium Metal
11 229
3 Facts
3.1 Interesting Facts
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
Not Available
3.2 Sources
Found in Minerals, Mining, Ores of Minerals
Obtained by Treating Radium with Neutrons, Ores of metals
3.3 History
3.3.1 Who Discovered
Georges Urbain and Carl Auer von Welsbach
Friedrich Oskar Giesel
3.3.2 Discovery
In 1906
In 1902
3.4 Abundance
3.4.1 Abundance In Universe
1 * 10-8 %NA
Thallium Metal
5E-09 0.11
3.4.4 Abundance In Sun
~0.0000001 %~-9999 %
Beryllium Metal
1E-08 0.1
3.4.6 Abundance In Meteorites
0.00 %NA
Gold Metal
1.7E-07 22
5.2.4 Abundance In Earth's Crust
0.00 %NA
Radium Metal
9.9E-12 8.1
5.3.2 Abundance In Oceans
0.00 %NA
Protactinium Metal
2E-23 1.1
6.1.1 Abundance In Humans
NANA
Radium Metal
1E-13 1.4
7 Uses
7.1 Uses & Benefits
  • Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
  • Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
7.1.1 Industrial Uses
NA
NA
7.1.2 Medical Uses
NA
NA
7.1.3 Other Uses
Alloys
Alloys, Nuclear Research, Research Purposes
7.2 Biological Properties
7.2.1 Toxicity
Low Toxic
Toxic
7.2.2 Present in Human Body
7.2.3 In Blood
NA0.00 Blood/mg dm-3
Plutonium Metal
0 1970
7.4.1 In Bone
NA0.00 p.p.m.
Plutonium Metal
0 170000
8 Physical
8.1 Melting Point
1,652.00 °C1,227.00 °C
Francium Metal
27 3410
8.5 Boiling Point
3,402.00 °C3,200.00 °C
Flerovium Metal
147 5660
8.6 Appearance
8.6.1 Physical State
Solid
Solid
8.6.2 Color
Silvery White
Silvery White
8.6.3 Luster
Metallic
NA
8.7 Hardness
8.7.1 Mohs Hardness
NANA
Cesium Metal
0.2 8.5
8.7.4 Brinell Hardness
893.00 MPaNA
Cesium Metal
0.14 3490
8.8.2 Vickers Hardness
1,160.00 MPaNA
Palladium Metal
121 3430
8.11 Speed of Sound
NANA
Thallium Metal
818 16200
9.3 Optical Properties
9.3.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
9.4.2 Reflectivity
NANA
Molybdenum Metal
58 97
9.5 Allotropes
9.5.1 α Allotropes
Not Available
Not Available
9.5.2 β Allotropes
Not Available
Not Available
9.5.3 γ Allotropes
Not Available
Not Available
10 Chemical
10.1 Chemical Formula
Lu
Ac
10.2 Isotopes
10.2.1 Known Isotopes
3529
Tennessine Metal
0 38
10.3 Electronegativity
10.3.1 Pauling Electronegativity
1.271.10
Francium Metal
0.7 2.54
10.3.3 Sanderson Electronegativity
NANA
Cesium Metal
0.22 2.56
10.3.5 Allred Rochow Electronegativity
1.141.00
Cesium Metal
0.86 1.82
10.3.7 Mulliken-Jaffe Electronegativity
NANA
Cesium Metal
0.62 2.48
10.4.2 Allen Electronegativity
NANA
Cesium Metal
0.659 2.7
10.6 Electropositivity
10.6.1 Pauling Electropositivity
2.732.90
Gold Metal
1.46 3.3
10.7 Ionization Energies
10.7.1 1st Energy Level
523.50 kJ/mol499.00 kJ/mol
Cesium Metal
375.7 26130
10.7.3 2nd Energy Level
1,340.00 kJ/mol1,170.00 kJ/mol
Ruthenium Metal
710.2162 28750
10.7.5 3rd Energy Level
2,022.30 kJ/mol1,900.00 kJ/mol
Osmium Metal
1600 34230
10.7.7 4th Energy Level
4,370.00 kJ/mol4,700.00 kJ/mol
Thorium Metal
2780 37066
10.7.9 5th Energy Level
6,445.00 kJ/molNA
Dubnium Metal
4305.2 97510
10.7.11 6th Energy Level
NANA
Seaborgium Metal
5715.8 105800
10.7.13 7th Energy level
NANA
Bohrium Metal
7226.8 114300
10.7.16 8th Energy Level
NANA
Hassium Metal
8857.4 125300
10.7.17 9th Energy Level
NANA
Yttrium Metal
14110 134700
10.7.19 10th Energy Level
NANA
Strontium Metal
17100 144300
10.7.21 11th Energy Level
NANA
Yttrium Metal
19900 169988
10.7.23 12th Energy Level
NANA
Molybdenum Metal
22219 189368
10.7.25 13th Energy Level
NANA
Molybdenum Metal
26930 76015
10.7.27 14th Energy Level
NANA
Molybdenum Metal
29196 86450
10.7.30 15th Energy Level
NANA
Manganese Metal
41987 97510
10.7.31 16th Energy Level
NANA
Iron Metal
47206 109480
10.7.34 17th Energy Level
NANA
Cobalt Metal
52737 122200
10.7.36 18th Energy Level
NANA
Nickel Metal
58570 134810
10.7.38 19th Energy Level
NANA
Copper Metal
64702 148700
10.7.40 20th Energy Level
NANA
Molybdenum Metal
80400 171200
10.7.42 21st Energy Level
NANA
Molybdenum Metal
87000 179100
10.7.44 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
10.7.46 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
10.7.48 24th Energy Level
NANA
Molybdenum Metal
104400 195200
10.7.50 25th Energy Level
NANA
Molybdenum Metal
121900 121900
10.7.52 26th Energy Level
NANA
Molybdenum Metal
127700 127700
10.7.53 27th Energy Level
NANA
Molybdenum Metal
133800 133800
10.7.55 28th Energy Level
NANA
Molybdenum Metal
139800 139800
10.7.57 29th Energy Level
NANA
Molybdenum Metal
148100 148100
10.8.1 30th Energy Level
NANA
Molybdenum Metal
154500 154500
10.9 Electrochemical Equivalent
2.18 g/amp-hr2.82 g/amp-hr
Beryllium Metal
0.16812 8.3209
10.11 Electron Work Function
3.30 eVNA
Cesium Metal
2.14 5.65
11.2 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Ionization, Radioactive Isotopes, Radioactivity, Solubility
12 Atomic
12.1 Atomic Number
7189
Lithium Metal
3 117
12.5 Electron Configuration
[Xe] 6s2 4f14 5d1
[Rn] 6d1 7s2
12.6 Crystal Structure
Hexagonal Close Packed (HCP)
Face Centered Cubic (FCC)
12.6.1 Crystal Lattice
12.7 Atom
12.7.1 Number of Protons
7189
Lithium Metal
3 117
12.7.3 Number of Neutrons
104138
Lithium Metal
4 184
12.7.5 Number of Electrons
7189
Lithium Metal
3 117
12.9 Radius of an Atom
12.9.1 Atomic Radius
174.00 pm195.00 pm
Beryllium Metal
112 265
12.9.3 Covalent Radius
187.00 pmNA
Beryllium Metal
96 260
12.10.1 Van der Waals Radius
221.00 pmNA
Zinc Metal
139 348
12.11 Atomic Weight
174.97 amu227.00 amu
Lithium Metal
6.94 294
12.13 Atomic Volume
17.78 cm3/mol22.54 cm3/mol
Manganese Metal
1.39 71.07
12.16 Adjacent Atomic Numbers
12.16.1 Previous Element
12.16.2 Next Element
12.17 Valence Electron Potential
50.90 (-eV)38.60 (-eV)
Francium Metal
8 392.42
12.19 Lattice Constant
350.31 pm567.00 pm
Beryllium Metal
228.58 891.25
13.2 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
13.3 Lattice C/A Ratio
1.59NA
Beryllium Metal
1.567 1.886
14 Mechanical
14.1 Density
14.1.1 Density At Room Temperature
9.84 g/cm310.00 g/cm3
Lithium Metal
0.534 40.7
14.1.3 Density When Liquid (at m.p.)
9.30 g/cm3NA
Lithium Metal
0.512 20
1.3 Tensile Strength
NANA
Indium Metal
2.5 11000
1.5 Viscosity
NANA
Mercury Metal
0.001526 0.001526
1.7 Vapor Pressure
1.7.1 Vapor Pressure at 1000 K
0.00 (Pa)NA
Cerium Metal
2.47E-11 121
1.7.3 Vapor Pressure at 2000 K
3.18 (Pa)NA
Tungsten Metal
2.62E-10 774
1.10 Elasticity properties
1.10.1 Shear Modulus
27.20 GPaNA
Potassium Metal
1.3 222
1.10.3 Bulk Modulus
47.60 GPaNA
Cesium Metal
1.6 462
1.11.1 Young's Modulus
68.60 GPaNA
Cesium Metal
1.7 528
1.13 Poisson Ratio
0.26NA
Beryllium Metal
0.032 0.47
1.15 Other Mechanical Properties
NA
NA
2 Magnetic
2.1 Magnetic Characteristics
2.1.1 Specific Gravity
9.8410.07
Lithium Metal
0.53 4500
2.2.2 Magnetic Ordering
Paramagnetic
Paramagnetic
2.2.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
3.1.2 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
3.2 Electrical Properties
3.2.1 Electrical Property
Conductor
Unknown
3.2.2 Resistivity
582.00 nΩ·mNA
Thallium Metal
0.18 961
3.3.3 Electrical Conductivity
0.02 106/cm ΩNA
Plutonium Metal
0.00666 0.63
3.3.5 Electron Affinity
50.00 kJ/molNA
Mercury Metal
0 222.8
4 Thermal
4.1 Specific Heat
0.15 J/(kg K)0.12 J/(kg K)
Americium Metal
0.11 3.6
4.2 Molar Heat Capacity
26.86 J/mol·K27.20 J/mol·K
Beryllium Metal
16.443 62.7
5.2 Thermal Conductivity
16.40 W/m·K12.00 W/m·K
Neptunium Metal
6.3 429
5.4 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
5.6 Thermal Expansion
9.90 µm/(m·K)NA
Tungsten Metal
4.5 97
5.8 Enthalpy
5.8.1 Enthalpy of Vaporization
355.90 kJ/molNA
Zinc Metal
7.32 799.1
5.9.1 Enthalpy of Fusion
18.70 kJ/molNA
Cesium Metal
2.1 35.23
5.10.2 Enthalpy of Atomization
398.00 kJ/mol301.00 kJ/mol
Mercury Metal
61.5 837
5.11 Standard Molar Entropy
51.00 J/mol.K56.50 J/mol.K
Beryllium Metal
9.5 198.1