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Tin vs Indium

Tin
Indium
Indium vs Tin


Periodic Table
Symbol
Sn   
In   
Group Number
14   
4
13   
5
Period Number
5   
5   
Block
p block   
p block   
Element Family
Post-​Transition   
Post-​Transition   
CAS Number
7440315   
99+
7440746   
17
Space Group Name
I41/amd   
I4/mmm   
Space Group Number
141.00   
7
139.00   
8
Facts
Interesting Facts
  • In the list of most abundant element Tin is ranked 49th.
  • Tin metal does not react with water as well as does not corrode in it.
  
  • 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   
Mining, Ores of metals   
History
  
  
Who Discovered
Unknown   
Ferdinand Reich and Hieronymous Theodor Richter   
Discovery
Before 3500 BC   
In 1863   
Abundance
  
  
Abundance In Universe
4 * 10-7 %   
20
3 * 10-8 %   
28
Abundance In Sun
~0.0000009 %   
19
~0.0000004 %   
23
Abundance In Meteorites
0.00 %   
24
0.00 %   
99+
Abundance In Earth's Crust
0.00 %   
34
0.00 %   
99+
Abundance In Oceans
0.00 %   
26
0.00 %   
99+
Abundance In Humans
0.00 %   
13
Not Available   
Uses
Uses & Benefits
  • Tin-niobium alloy is used for producing superconducting magnets.
  • Tin salt known as a tin II chloride, it is used as a mordant and as a reducing agent for dyeing calico and silk.
  
  • 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
Automobile Industry, Chemical Industry, Food Industry   
Aerospace Industry, Automobile Industry   
Medical Uses
Dentistry   
Medical Research   
Other Uses
NA   
Alloys, In Nuclear Reactors   
Biological Properties
  
  
Toxicity
Non Toxic   
Non Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.38 Blood/mg dm-3   
10
Not Available   
In Bone
1.40 p.p.m.   
16
Not Available   
Physical Properties
Melting Point
231.90 °C   
99+
156.61 °C   
99+
Boiling Point
2,270.00 °C   
99+
2,000.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery Gray   
Luster
NA   
Lustrous   
Hardness
  
  
Mohs Hardness
1.50   
18
1.20   
20
Brinell Hardness
50.00 MPa   
99+
8.80 MPa   
99+
Speed of Sound
2,730.00 m/s   
32
1,215.00 m/s   
99+
Optical Properties
  
  
Allotropes
Yes   
No   
α Allotropes
Grey Tin (alpha Tin, Tin Pest)   
Not Available   
β Allotropes
White Tin (Beta Tin)   
Not Available   
γ Allotropes
Rhombic Tin (gamma Tin)   
Not Available   
Chemical Properties
Chemical Formula
Sn   
In   
Isotopes
  
  
Known Isotopes
35   
4
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.96   
8
1.78   
16
Sanderson Electronegativity
1.49   
15
2.14   
8
Allred Rochow Electronegativity
1.72   
4
1.49   
13
Mulliken-Jaffe Electronegativity
2.21   
3
1.76   
10
Allen Electronegativity
1.82   
11
1.66   
18
Electropositivity
  
  
Pauling Electropositivity
2.04   
99+
2.22   
38
Ionization Energies
  
  
1st Energy Level
708.60 kJ/mol   
33
558.30 kJ/mol   
99+
2nd Energy Level
1,411.80 kJ/mol   
99+
1,820.70 kJ/mol   
18
3rd Energy Level
2,943.00 kJ/mol   
30
2,704.00 kJ/mol   
39
4th Energy Level
3,930.30 kJ/mol   
99+
5,210.00 kJ/mol   
17
5th Energy Level
7,456.00 kJ/mol   
13
Not Available   
Electrochemical Equivalent
1.11 g/amp-hr   
99+
1.43 g/amp-hr   
99+
Electron Work Function
4.42 eV   
16
4.12 eV   
24
Other Chemical Properties
Ionization, Solubility   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Atomic Properties
Atomic Number
50   
99+
49   
99+
Electron Configuration
[Kr] 4d10 5s2 5p2   
[Kr] 4d10 5s2 5p1   
Crystal Structure
Tetragonal (TETR)   
Tetragonal (TETR)   
Crystal Lattice
TETR-Crystal-Structure-of-Tin.jpg#100   
TETR-Crystal-Structure-of-Indium.jpg#100   
Atom
  
  
Number of Protons
50   
99+
49   
99+
Number of Neutrons
69   
99+
66   
99+
Number of Electrons
50   
99+
49   
99+
Radius of an Atom
  
  
Atomic Radius
140.00 pm   
38
167.00 pm   
24
Covalent Radius
139.00 pm   
99+
142.00 pm   
99+
Van der Waals Radius
217.00 pm   
23
193.00 pm   
31
Atomic Weight
118.71 amu   
99+
114.82 amu   
99+
Atomic Volume
16.30 cm3/mol   
32
15.70 cm3/mol   
33
Adjacent Atomic Numbers
  
  
Previous Element
Indium
  
Cadmium
  
Next Element
Cesium
  
Tin
  
Valence Electron Potential
83.50 (-eV)   
14
54.00 (-eV)   
25
Lattice Constant
583.18 pm   
7
325.23 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
7.37 g/cm3   
99+
7.31 g/cm3   
99+
Density When Liquid (at m.p.)
6.99 g/cm3   
34
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)   
17
0.01 (Pa)   
11
Elasticity properties
  
  
Shear Modulus
18.00 GPa   
36
Not Available   
Bulk Modulus
58.00 GPa   
20
Not Available   
Young's Modulus
50.00 GPa   
36
11.00 GPa   
99+
Poisson Ratio
0.36   
8
Not Available   
Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
7.31   
99+
7.31   
99+
Magnetic Ordering
Diamagnetic   
Diamagnetic   
Electrical Properties
  
  
Electrical Property
Superconductor   
Conductor   
Resistivity
115.00 nΩ·m   
28
83.70 nΩ·m   
34
Electrical Conductivity
0.09 106/cm Ω   
23
0.12 106/cm Ω   
17
Electron Affinity
107.30 kJ/mol   
8
28.90 kJ/mol   
31
Thermal Properties
Specific Heat
0.23 J/(kg K)   
28
0.23 J/(kg K)   
27
Molar Heat Capacity
27.11 J/mol·K   
20
26.74 J/mol·K   
25
Thermal Conductivity
66.80 W/m·K   
25
81.80 W/m·K   
21
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
22.00 µm/(m·K)   
20
32.10 µm/(m·K)   
9
Enthalpy
  
  
Enthalpy of Vaporization
290.40 kJ/mol   
32
226.40 kJ/mol   
40
Enthalpy of Fusion
7.03 kJ/mol   
99+
3.28 kJ/mol   
99+
Enthalpy of Atomization
301.30 kJ/mol   
35
242.70 kJ/mol   
99+
Standard Molar Entropy
51.20 J/mol.K   
29
57.80 J/mol.K   
22
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