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Lutetium
Lutetium

Neodymium
Neodymium



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Lutetium vs Neodymium

1 Periodic Table
1.1 Symbol
Lu
Nd
1.2 Group Number
NA1
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
74399437440008
Aluminium
7429905 54386242
1.7 Space Group Name
P63/mmc
P63/mmc
1.8 Space Group Number
194.00194.00
Plutonium
11 229
2 Facts
2.1 Interesting Facts
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
  • Neodymium is not found free in nature, hence it is not a native metal.
  • Neodymium metal found in minerals like Monazite and Bastnaesite.
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining
2.3 History
2.3.1 Who Discovered
Georges Urbain and Carl Auer von Welsbach
Carl Auer von Welsbach
2.3.2 Discovery
In 1906
In 1885
2.4 Abundance
2.4.1 Abundance In Universe
1 * 10-8 %1 * 10-6 %
Thallium
5E-09 0.11
2.4.2 Abundance In Sun
~0.0000001 %~0.0000003 %
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
  • Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
  • Neodymium-Iron-boron alloy is used to make permanent magnets.
  • It is used in microphones, Mp3 player, loudspeakers, mobile phones, etc.
3.1.1 Industrial Uses
NA
Aerospace Industry, Electrical Industry, Electronic Industry
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
Alloys
Alloys
3.2 Biological Properties
3.2.1 Toxicity
Low Toxic
Non 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
1,652.00 °C1,010.00 °C
Francium
27 3410
4.2 Boiling Point
3,402.00 °C3,127.00 °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
Metallic
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
NANA
Cesium
0.2 8.5
4.4.2 Brinell Hardness
893.00 MPa265.00 MPa
Cesium
0.14 3490
4.4.3 Vickers Hardness
1,160.00 MPa345.00 MPa
Palladium
121 3430
4.5 Speed of Sound
NA2,330.00 m/s
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
Lu
Nd
5.2 Isotopes
5.2.1 Known Isotopes
3530
Tennessine
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
1.271.14
Francium
0.7 2.54
5.3.2 Sanderson Electronegativity
NANA
Cesium
0.22 2.56
5.3.3 Allred Rochow Electronegativity
1.141.07
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
2.732.86
Gold
1.46 3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
523.50 kJ/mol533.10 kJ/mol
Cesium
375.7 26130
5.5.2 2nd Energy Level
1,340.00 kJ/mol1,040.00 kJ/mol
Ruthenium
710.2162 28750
5.5.3 3rd Energy Level
2,022.30 kJ/mol2,130.00 kJ/mol
Osmium
1600 34230
5.5.4 4th Energy Level
4,370.00 kJ/mol3,900.00 kJ/mol
Thorium
2780 37066
5.5.5 5th Energy Level
6,445.00 kJ/molNA
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
2.18 g/amp-hr1.79 g/amp-hr
Beryllium
0.16812 8.3209
5.7 Electron Work Function
3.30 eV3.20 eV
Cesium
2.14 5.65
5.8 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Chemical Stability, Corrosion, Flammable, Ionization
6 Atomic
6.1 Atomic Number
7160
Lithium
3 117
6.2 Electron Configuration
[Xe] 6s2 4f14 5d1
[Xe] 4f4 6s2
6.3 Crystal Structure
Hexagonal Close Packed (HCP)
Double Hexagonal Close Packed (DHCP)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
7160
Lithium
3 117
6.4.2 Number of Neutrons
10484
Lithium
4 184
6.4.3 Number of Electrons
7160
Lithium
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
174.00 pm181.00 pm
Beryllium
112 265
6.5.2 Covalent Radius
187.00 pm201.00 pm
Beryllium
96 260
6.5.3 Van der Waals Radius
221.00 pm229.00 pm
Zinc
139 348
6.6 Atomic Weight
174.97 amu144.24 amu
Lithium
6.94 294
6.7 Atomic Volume
17.78 cm3/mol20.60 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
50.90 (-eV)43.40 (-eV)
Francium
8 392.42
6.10 Lattice Constant
350.31 pm365.80 pm
Beryllium
228.58 891.25
6.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
6.12 Lattice C/A Ratio
1.591.61
Beryllium
1.567 1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
9.84 g/cm37.01 g/cm3
Lithium
0.534 40.7
7.1.2 Density When Liquid (at m.p.)
9.30 g/cm36.89 g/cm3
Lithium
0.512 20
7.2 Tensile Strength
NANA
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
0.00 (Pa)0.00 (Pa)
Cerium
2.47E-11 121
7.4.2 Vapor Pressure at 2000 K
3.18 (Pa)101.00 (Pa)
Tungsten
2.62E-10 774
7.5 Elasticity properties
7.5.1 Shear Modulus
27.20 GPa16.30 GPa
Potassium
1.3 222
7.5.2 Bulk Modulus
47.60 GPa31.80 GPa
Cesium
1.6 462
7.5.3 Young's Modulus
68.60 GPa41.40 GPa
Cesium
1.7 528
7.6 Poisson Ratio
0.260.28
Beryllium
0.032 0.47
7.7 Other Mechanical Properties
NA
NA
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
9.847.00
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
NA
8.2.2 Resistivity
582.00 nΩ·m643.00 nΩ·m
Thallium
0.18 961
8.2.3 Electrical Conductivity
0.02 106/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
0.15 J/(kg K)0.19 J/(kg K)
Americium
0.11 3.6
9.2 Molar Heat Capacity
26.86 J/mol·K27.45 J/mol·K
Beryllium
16.443 62.7
9.3 Thermal Conductivity
16.40 W/m·K16.50 W/m·K
Neptunium
6.3 429
9.4 Critical Temperature
NANA
Ytterbium
26.3 3223
9.5 Thermal Expansion
9.90 µm/(m·K)9.60 µm/(m·K)
Tungsten
4.5 97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
355.90 kJ/mol273.00 kJ/mol
Zinc
7.32 799.1
9.6.2 Enthalpy of Fusion
18.70 kJ/mol7.14 kJ/mol
Cesium
2.1 35.23
9.6.3 Enthalpy of Atomization
398.00 kJ/mol322.00 kJ/mol
Mercury
61.5 837
9.7 Standard Molar Entropy
51.00 J/mol.K71.50 J/mol.K
Beryllium
9.5 198.1