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What is Indium?
Indium


Periodic Table
0
Symbol
In 0
Group Number
13 5
Period Number
5 3
Block
p block 0
Element Family
Post-​Transition 0
CAS Number
7440746 17
Space Group Name
I4/mmm 0
Space Group Number
139.00 8
Facts
0
Interesting Facts
  • Luster of Indium is bright in nature.
  • Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
0
Sources
Mining, Ores of metals 0
History
0
Who Discovered
Ferdinand Reich and Hieronymous Theodor Richter 0
Discovery
In 1863 0
Abundance
0
Abundance In Universe
3 * 10-8 % 28
Abundance In Sun
~0.0000004 % 23
Abundance In Meteorites
0.00 % 45
Abundance In Earth's Crust
0.00 % 45
Abundance In Oceans
0.00 % 43
Abundance In Humans
Not Available 0
Uses
0
Uses & Benefits
  • 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.
0
Industrial Uses
Aerospace Industry, Automobile Industry 0
Medical Uses
Medical Research 0
Other Uses
Alloys, In Nuclear Reactors 0
Biological Properties
0
Toxicity
Non Toxic 0
Present in Human Body
Yes 0
In Blood
Not Available 0
In Bone
Not Available 0
Physical
0
Melting Point
156.61 °C 74
Boiling Point
2,000.00 °C 50
Appearance
0
Physical State
Solid 0
Color
Silvery Gray 0
Luster
Lustrous 0
Hardness
0
Mohs Hardness
1.20 20
Brinell Hardness
8.80 MPa 51
Vickers Hardness
Not Available 0
Speed of Sound
1,215.00 m/s 51
Optical Properties
0
Refractive Index
Not Available 0
Reflectivity
Not Available 0
Allotropes
No 0
α Allotropes
Not Available 0
β Allotropes
Not Available 0
γ Allotropes
Not Available 0
Chemical
0
Chemical Formula
In 0
Isotopes
0
Known Isotopes
35 4
Electronegativity
0
Pauling Electronegativity
1.78 16
Sanderson Electronegativity
2.14 8
Allred Rochow Electronegativity
1.49 13
Mulliken-Jaffe Electronegativity
1.76 10
Allen Electronegativity
1.66 18
Electropositivity
0
Pauling Electropositivity
2.22 38
Ionization Energies
0
1st Energy Level
558.30 kJ/mol 69
2nd Energy Level
1,820.70 kJ/mol 18
3rd Energy Level
2,704.00 kJ/mol 39
4th Energy Level
5,210.00 kJ/mol 17
5th Energy Level
Not Available 0
6th Energy Level
Not Available 0
7th Energy level
Not Available 0
8th Energy Level
Not Available 0
9th Energy Level
Not Available 0
10th Energy Level
Not Available 0
11th Energy Level
Not Available 0
12th Energy Level
Not Available 0
13th Energy Level
Not Available 0
14th Energy Level
Not Available 0
15th Energy Level
Not Available 0
16th Energy Level
Not Available 0
17th Energy Level
Not Available 0
18th Energy Level
Not Available 0
19th Energy Level
Not Available 0
20th Energy Level
Not Available 0
21st Energy Level
Not Available 0
22nd Energy Level
Not Available 0
23rd Energy Level
Not Available 0
24th Energy Level
Not Available 0
25th Energy Level
Not Available 0
26th Energy Level
Not Available 0
27th Energy Level
Not Available 0
28th Energy Level
Not Available 0
29th Energy Level
Not Available 0
30th Energy Level
Not Available 0
Electrochemical Equivalent
1.43 g/amp-hr 48
Electron Work Function
4.12 eV 24
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility 0
Atomic
0
Atomic Number
49 63
Electron Configuration
[Kr] 4d10 5s2 5p1 0
Crystal Structure
Tetragonal (TETR) 0
Crystal Lattice
TETR-Crystal-Structure-of-Indium.jpg#100 0
Atom
0
Number of Protons
49 62
Number of Neutrons
66 45
Number of Electrons
49 62
Radius of an Atom
0
Atomic Radius
167.00 pm 24
Covalent Radius
142.00 pm 42
Van der Waals Radius
193.00 pm 31
Atomic Weight
114.82 amu 57
Atomic Volume
15.70 cm3/mol 33
Adjacent Atomic Numbers
0
Previous Element
38 0
Next Element
2 0
Valence Electron Potential
54.00 (-eV) 25
Lattice Constant
325.23 pm 52
Lattice Angles
π/2, π/2, π/2 0
Lattice C/A Ratio
Not Available 0
Mechanical
0
Density
0
Density At Room Temperature
7.31 g/cm3 55
Density When Liquid (at m.p.)
7.02 g/cm3 33
Tensile Strength
2.50 MPa 21
Viscosity
Not Available 0
Vapor Pressure
0
Vapor Pressure at 1000 K
0.01 (Pa) 11
Vapor Pressure at 2000 K
Not Available 0
Elasticity properties
0
Shear Modulus
Not Available 0
Bulk Modulus
Not Available 0
Young's Modulus
11.00 GPa 51
Poisson Ratio
Not Available 0
Other Mechanical Properties
Ductile, Malleable 0
Magnetic
0
Magnetic Characteristics
0
Specific Gravity
7.31 42
Magnetic Ordering
Diamagnetic 0
Permeability
Not Available 0
Susceptibility
Not Available 0
Electrical Properties
0
Electrical Property
Conductor 0
Resistivity
83.70 nΩ·m 34
Electrical Conductivity
0.12 106/cm Ω 17
Electron Affinity
28.90 kJ/mol 31
Thermal
0
Specific Heat
0.23 J/(kg K) 27
Molar Heat Capacity
26.74 J/mol·K 25
Thermal Conductivity
81.80 W/m·K 21
Critical Temperature
Not Available 0
Thermal Expansion
32.10 µm/(m·K) 9
Enthalpy
0
Enthalpy of Vaporization
226.40 kJ/mol 40
Enthalpy of Fusion
3.28 kJ/mol 55
Enthalpy of Atomization
242.70 kJ/mol 42
Standard Molar Entropy
57.80 J/mol.K 22
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