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Lutetium vs Indium

Lutetium
Indium
Indium vs Lutetium


Periodic Table
Symbol
Lu   
In   
Group Number
Not Available   
13   
5
Period Number
6   
5   
Block
f block   
p block   
Element Family
Lanthanide   
Post-​Transition   
CAS Number
7439943   
99+
7440746   
17
Space Group Name
P63/mmc   
I4/mmm   
Space Group Number
194.00   
5
139.00   
8
Facts
Interesting Facts
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
  
  • Luster of Indium is bright in nature.
  • Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Mining, Ores of metals   
History
  
  
Who Discovered
Georges Urbain and Carl Auer von Welsbach   
Ferdinand Reich and Hieronymous Theodor Richter   
Discovery
In 1906   
In 1863   
Abundance
  
  
Abundance In Universe
1 * 10-8 %   
30
3 * 10-8 %   
28
Abundance In Sun
~0.0000001 %   
26
~0.0000004 %   
23
Abundance In Meteorites
0.00 %   
99+
0.00 %   
99+
Abundance In Earth's Crust
0.00 %   
99+
0.00 %   
99+
Abundance In Oceans
0.00 %   
99+
0.00 %   
99+
Uses
Uses & Benefits
  • Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
  
  • It is used to produce indium tin oxide (ITO), it is used in manufacturing touch screens, flat screen TVs and solar panels.
  • Its nitride, phosphide and antimonide are used in transistors and microchips.
  
Industrial Uses
NA   
Aerospace Industry, Automobile Industry   
Medical Uses
NA   
Medical Research   
Other Uses
Alloys   
Alloys, In Nuclear Reactors   
Biological Properties
  
  
Toxicity
Low Toxic   
Non Toxic   
Present in Human Body
No   
Yes   
Physical Properties
Melting Point
1,652.00 °C   
19
156.61 °C   
99+
Boiling Point
3,402.00 °C   
19
2,000.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery Gray   
Luster
Metallic   
Lustrous   
Hardness
  
  
Mohs Hardness
Not Available   
1.20   
20
Brinell Hardness
893.00 MPa   
10
8.80 MPa   
99+
Vickers Hardness
1,160.00 MPa   
8
Not Available   
Speed of Sound
Not Available   
1,215.00 m/s   
99+
Optical Properties
  
  
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Lu   
In   
Isotopes
  
  
Known Isotopes
35   
4
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.27   
34
1.78   
16
Sanderson Electronegativity
Not Available   
2.14   
8
Allred Rochow Electronegativity
1.14   
28
1.49   
13
Mulliken-Jaffe Electronegativity
Not Available   
1.76   
10
Allen Electronegativity
Not Available   
1.66   
18
Electropositivity
  
  
Pauling Electropositivity
2.73   
20
2.22   
38
Ionization Energies
  
  
1st Energy Level
523.50 kJ/mol   
99+
558.30 kJ/mol   
99+
2nd Energy Level
1,340.00 kJ/mol   
99+
1,820.70 kJ/mol   
18
3rd Energy Level
2,022.30 kJ/mol   
99+
2,704.00 kJ/mol   
39
4th Energy Level
4,370.00 kJ/mol   
28
5,210.00 kJ/mol   
17
5th Energy Level
6,445.00 kJ/mol   
21
Not Available   
Electrochemical Equivalent
2.18 g/amp-hr   
23
1.43 g/amp-hr   
99+
Electron Work Function
3.30 eV   
33
4.12 eV   
24
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Atomic Properties
Atomic Number
71   
99+
49   
99+
Electron Configuration
[Xe] 6s2 4f14 5d1   
[Kr] 4d10 5s2 5p1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Tetragonal (TETR)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
TETR-Crystal-Structure-of-Indium.jpg#100   
Atom
  
  
Number of Protons
71   
99+
49   
99+
Number of Neutrons
104   
30
66   
99+
Number of Electrons
71   
99+
49   
99+
Radius of an Atom
  
  
Atomic Radius
174.00 pm   
20
167.00 pm   
24
Covalent Radius
187.00 pm   
20
142.00 pm   
99+
Van der Waals Radius
221.00 pm   
22
193.00 pm   
31
Atomic Weight
174.97 amu   
40
114.82 amu   
99+
Atomic Volume
17.78 cm3/mol   
30
15.70 cm3/mol   
33
Adjacent Atomic Numbers
  
  
Previous Element
Ytterbium
  
Cadmium
  
Next Element
Hafnium
  
Tin
  
Valence Electron Potential
50.90 (-eV)   
26
54.00 (-eV)   
25
Lattice Constant
350.31 pm   
99+
325.23 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.59   
10
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
9.84 g/cm3   
38
7.31 g/cm3   
99+
Density When Liquid (at m.p.)
9.30 g/cm3   
22
7.02 g/cm3   
33
Tensile Strength
Not Available   
2.50 MPa   
21
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
33
0.01 (Pa)   
11
Vapor Pressure at 2000 K
3.18 (Pa)   
11
Not Available   
Elasticity properties
  
  
Shear Modulus
27.20 GPa   
26
Not Available   
Bulk Modulus
47.60 GPa   
23
Not Available   
Young's Modulus
68.60 GPa   
30
11.00 GPa   
99+
Poisson Ratio
0.26   
21
Not Available   
Other Mechanical Properties
NA   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
9.84   
29
7.31   
99+
Magnetic Ordering
Paramagnetic   
Diamagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
582.00 nΩ·m   
9
83.70 nΩ·m   
34
Electrical Conductivity
0.02 106/cm Ω   
99+
0.12 106/cm Ω   
17
Electron Affinity
50.00 kJ/mol   
21
28.90 kJ/mol   
31
Thermal Properties
Specific Heat
0.15 J/(kg K)   
36
0.23 J/(kg K)   
27
Molar Heat Capacity
26.86 J/mol·K   
24
26.74 J/mol·K   
25
Thermal Conductivity
16.40 W/m·K   
99+
81.80 W/m·K   
21
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
9.90 µm/(m·K)   
40
32.10 µm/(m·K)   
9
Enthalpy
  
  
Enthalpy of Vaporization
355.90 kJ/mol   
22
226.40 kJ/mol   
40
Enthalpy of Fusion
18.70 kJ/mol   
13
3.28 kJ/mol   
99+
Enthalpy of Atomization
398.00 kJ/mol   
20
242.70 kJ/mol   
99+
Standard Molar Entropy
51.00 J/mol.K   
30
57.80 J/mol.K   
22
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