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Indium
Indium

Iridium
Iridium



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Indium vs Iridium

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1 Periodic Table
1.1 Symbol
In
Ir
1.2 Group Number
139
Gadolinium
0 17
1.3 Period Number
56
Lithium
2 7
1.4 Block
p block
d block
1.5 Element Family
Post-​Transition
Transition Metal
1.6 CAS Number
74407467439885
Aluminium
7429905 54386242
1.7 Space Group Name
I4/mmm
Fm_ 3m
1.8 Space Group Number
139.00225.00
Plutonium
11 229
2 Facts
2.1 Interesting Facts
  • Luster of Indium is bright in nature.
  • Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
2.2 Sources
Mining, Ores of metals
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Ferdinand Reich and Hieronymous Theodor Richter
Smithson Tennant
2.3.2 Discovery
In 1863
In 1803
2.4 Abundance
2.4.1 Abundance In Universe
3 * 10-8 %2 * 10-7 %
Thallium
5E-09 0.11
2.4.2 Abundance In Sun
~0.0000004 %~0.0000002 %
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 %NA
Protactinium
2E-23 1.1
2.4.6 Abundance In Humans
NANA
Radium
1E-13 1.4
3 Uses
3.1 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.
  • Iridium has an anti corrosion properties and it is used in special alloy with Osmium metal and that alloy is used in pen tips and compass bearings.
3.1.1 Industrial Uses
Aerospace Industry, Automobile Industry
Automobile Industry, Electrical Industry, Electronic Industry
3.1.2 Medical Uses
Medical Research
NA
3.1.3 Other Uses
Alloys, In Nuclear Reactors
Alloys
3.2 Biological Properties
3.2.1 Toxicity
Non Toxic
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
156.61 °C2,410.00 °C
Francium
27 3410
4.2 Boiling Point
2,000.00 °C4,527.00 °C
Flerovium
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Silvery Gray
Silvery White
4.3.3 Luster
Lustrous
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
1.206.50
Cesium
0.2 8.5
4.4.2 Brinell Hardness
8.80 MPa1,670.00 MPa
Cesium
0.14 3490
4.4.3 Vickers Hardness
NA1,760.00 MPa
Palladium
121 3430
4.5 Speed of Sound
1,215.00 m/s4,825.00 m/s
Thallium
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury
1.000933 1.7229
4.6.2 Reflectivity
NA78.00 %
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
In
Ir
5.2 Isotopes
5.2.1 Known Isotopes
3534
Tennessine
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
1.782.20
Francium
0.7 2.54
5.3.2 Sanderson Electronegativity
2.14NA
Cesium
0.22 2.56
5.3.3 Allred Rochow Electronegativity
1.491.55
Cesium
0.86 1.82
5.3.4 Mulliken-Jaffe Electronegativity
1.76NA
Cesium
0.62 2.48
5.3.5 Allen Electronegativity
1.661.68
Cesium
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
2.221.80
Gold
1.46 3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
558.30 kJ/mol880.00 kJ/mol
Cesium
375.7 26130
5.5.2 2nd Energy Level
1,820.70 kJ/mol1,600.00 kJ/mol
Ruthenium
710.2162 28750
5.5.3 3rd Energy Level
2,704.00 kJ/molNA
Osmium
1600 34230
5.5.4 4th Energy Level
5,210.00 kJ/molNA
Thorium
2780 37066
5.5.5 5th Energy Level
NANA
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
1.43 g/amp-hr1.14 g/amp-hr
Beryllium
0.16812 8.3209
5.7 Electron Work Function
4.12 eV4.55 eV
Cesium
2.14 5.65
5.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Flammable, Ionization, Radioactive Isotopes, Radioactivity
6 Atomic
6.1 Atomic Number
4977
Lithium
3 117
6.2 Electron Configuration
[Kr] 4d10 5s2 5p1
[Xe] 4f14 5d7 6s2
6.3 Crystal Structure
Tetragonal (TETR)
Face Centered Cubic (FCC)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
4974
Lithium
3 117
6.4.2 Number of Neutrons
66110
Lithium
4 184
6.4.3 Number of Electrons
4974
Lithium
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
167.00 pm136.00 pm
Beryllium
112 265
6.5.2 Covalent Radius
142.00 pm141.00 pm
Beryllium
96 260
6.5.3 Van der Waals Radius
193.00 pm202.00 pm
Zinc
139 348
6.6 Atomic Weight
114.82 amu192.22 amu
Lithium
6.94 294
6.7 Atomic Volume
15.70 cm3/mol9.53 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
54.00 (-eV)140.00 (-eV)
Francium
8 392.42
6.10 Lattice Constant
325.23 pm383.90 pm
Beryllium
228.58 891.25
6.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
6.12 Lattice C/A Ratio
NANA
Beryllium
1.567 1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
7.31 g/cm322.56 g/cm3
Lithium
0.534 40.7
7.1.2 Density When Liquid (at m.p.)
7.02 g/cm319.00 g/cm3
Lithium
0.512 20
7.2 Tensile Strength
2.50 MPa2,000.00 MPa
Gold
2.5 11000
7.3 Viscosity
NANA
Mercury
0.001526 0.001526
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
0.01 (Pa)NA
Cerium
2.47E-11 121
7.4.2 Vapor Pressure at 2000 K
NA0.00 (Pa)
Tungsten
2.62E-10 774
7.5 Elasticity properties
7.5.1 Shear Modulus
NA210.00 GPa
Potassium
1.3 222
7.5.2 Bulk Modulus
NA320.00 GPa
Cesium
1.6 462
7.5.3 Young's Modulus
11.00 GPa528.00 GPa
Cesium
1.7 528
7.6 Poisson Ratio
NA0.26
Beryllium
0.032 0.47
7.7 Other Mechanical Properties
Ductile, Malleable
NA
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
7.3121.78
Lithium
0.53 4500
8.1.2 Magnetic Ordering
Diamagnetic
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
Conductor
8.2.2 Resistivity
83.70 nΩ·m47.10 nΩ·m
Thallium
0.18 961
8.2.3 Electrical Conductivity
0.12 106/cm Ω0.19 106/cm Ω
Plutonium
0.00666 0.63
8.2.4 Electron Affinity
28.90 kJ/mol151.00 kJ/mol
Mercury
0 222.8
9 Thermal
9.1 Specific Heat
0.23 J/(kg K)0.13 J/(kg K)
Americium
0.11 3.6
9.2 Molar Heat Capacity
26.74 J/mol·K25.10 J/mol·K
Beryllium
16.443 62.7
9.3 Thermal Conductivity
81.80 W/m·K147.00 W/m·K
Neptunium
6.3 429
9.4 Critical Temperature
NANA
Ytterbium
26.3 3223
9.5 Thermal Expansion
32.10 µm/(m·K)6.40 µm/(m·K)
Tungsten
4.5 97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
226.40 kJ/mol799.10 kJ/mol
Zinc
7.32 799.1
9.6.2 Enthalpy of Fusion
3.28 kJ/mol35.23 kJ/mol
Cesium
2.1 35.23
9.6.3 Enthalpy of Atomization
242.70 kJ/mol837.00 kJ/mol
Mercury
61.5 837
9.7 Standard Molar Entropy
57.80 J/mol.K35.50 J/mol.K
Beryllium
9.5 198.1