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Actinium
Actinium

Indium
Indium



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Actinium vs Indium

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1 Periodic Table
1.1 Symbol
Ac
In
1.2 Group Number
NA13
Gadolinium
0 17
1.3 Period Number
75
Lithium
2 7
1.4 Block
f block
p block
1.5 Element Family
Actinide
Post-​Transition
1.6 CAS Number
74403487440746
Aluminium
7429905 54386242
1.7 Space Group Name
Fm_ 3m
I4/mmm
1.8 Space Group Number
225.00139.00
Plutonium
11 229
2 Facts
2.1 Interesting Facts
Not Available
  • Luster of Indium is bright in nature.
  • Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
2.2 Sources
Obtained by Treating Radium with Neutrons, Ores of metals
Mining, Ores of metals
2.3 History
2.3.1 Who Discovered
Friedrich Oskar Giesel
Ferdinand Reich and Hieronymous Theodor Richter
2.3.2 Discovery
In 1902
In 1863
2.4 Abundance
2.4.1 Abundance In Universe
NA3 * 10-8 %
Thallium
5E-09 0.11
2.4.4 Abundance In Sun
~-9999 %~0.0000004 %
Beryllium
1E-08 0.1
2.4.6 Abundance In Meteorites
NA0.00 %
Gold
1.7E-07 22
2.4.9 Abundance In Earth's Crust
NA0.00 %
Radium
9.9E-12 8.1
2.4.11 Abundance In Oceans
NA0.00 %
Protactinium
2E-23 1.1
2.4.13 Abundance In Humans
NANA
Radium
1E-13 1.4
3 Uses
3.1 Uses & Benefits
  • Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
  • 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.
3.1.1 Industrial Uses
NA
Aerospace Industry, Automobile Industry
3.1.2 Medical Uses
NA
Medical Research
3.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
Alloys, In Nuclear Reactors
3.2 Biological Properties
3.2.1 Toxicity
Toxic
Non Toxic
3.2.2 Present in Human Body
3.2.4 In Blood
0.00 Blood/mg dm-3NA
Plutonium
0 1970
3.2.6 In Bone
0.00 p.p.m.NA
Plutonium
0 170000
4 Physical
4.1 Melting Point
1,227.00 °C156.61 °C
Francium
27 3410
4.3 Boiling Point
3,200.00 °C2,000.00 °C
Flerovium
147 5660
4.4 Appearance
4.4.1 Physical State
Solid
Solid
4.5.1 Color
Silvery White
Silvery Gray
4.5.2 Luster
NA
Lustrous
4.6 Hardness
4.6.1 Mohs Hardness
NA1.20
Cesium
0.2 8.5
5.1.1 Brinell Hardness
NA8.80 MPa
Cesium
0.14 3490
5.1.2 Vickers Hardness
NANA
Palladium
121 3430
5.5 Speed of Sound
NA1,215.00 m/s
Thallium
818 16200
5.6 Optical Properties
5.6.1 Refractive Index
NANA
Mercury
1.000933 1.7229
5.6.2 Reflectivity
NANA
Molybdenum
58 97
5.7 Allotropes
5.7.1 α Allotropes
Not Available
Not Available
5.7.2 β Allotropes
Not Available
Not Available
5.7.3 γ Allotropes
Not Available
Not Available
6 Chemical
6.1 Chemical Formula
Ac
In
6.2 Isotopes
6.2.1 Known Isotopes
2935
Tennessine
0 38
6.4 Electronegativity
6.4.1 Pauling Electronegativity
1.101.78
Francium
0.7 2.54
6.4.3 Sanderson Electronegativity
NA2.14
Cesium
0.22 2.56
6.4.5 Allred Rochow Electronegativity
1.001.49
Cesium
0.86 1.82
6.5.1 Mulliken-Jaffe Electronegativity
NA1.76
Cesium
0.62 2.48
6.6.1 Allen Electronegativity
NA1.66
Cesium
0.659 2.7
6.9 Electropositivity
6.9.1 Pauling Electropositivity
2.902.22
Gold
1.46 3.3
6.11 Ionization Energies
6.11.1 1st Energy Level
499.00 kJ/mol558.30 kJ/mol
Cesium
375.7 26130
6.11.2 2nd Energy Level
1,170.00 kJ/mol1,820.70 kJ/mol
Ruthenium
710.2162 28750
6.13.1 3rd Energy Level
1,900.00 kJ/mol2,704.00 kJ/mol
Osmium
1600 34230
7.1.2 4th Energy Level
4,700.00 kJ/mol5,210.00 kJ/mol
Thorium
2780 37066
7.1.4 5th Energy Level
NANA
Dubnium
4305.2 97510
7.2.1 6th Energy Level
NANA
Seaborgium
5715.8 105800
7.3.1 7th Energy level
NANA
Bohrium
7226.8 114300
7.4.2 8th Energy Level
NANA
Hassium
8857.4 125300
7.4.3 9th Energy Level
NANA
Yttrium
14110 134700
7.4.5 10th Energy Level
NANA
Strontium
17100 144300
7.5.2 11th Energy Level
NANA
Yttrium
19900 169988
7.5.4 12th Energy Level
NANA
Molybdenum
22219 189368
7.5.6 13th Energy Level
NANA
Molybdenum
26930 76015
7.5.7 14th Energy Level
NANA
Molybdenum
29196 86450
7.6.1 15th Energy Level
NANA
Manganese
41987 97510
8.1.2 16th Energy Level
NANA
Iron
47206 109480
8.1.5 17th Energy Level
NANA
Cobalt
52737 122200
8.1.7 18th Energy Level
NANA
Nickel
58570 134810
8.2.3 19th Energy Level
NANA
Copper
64702 148700
8.2.4 20th Energy Level
NANA
Molybdenum
80400 171200
8.2.6 21st Energy Level
NANA
Molybdenum
87000 179100
8.2.7 22nd Energy Level
NANA
Molybdenum
93400 184900
8.2.9 23rd Energy Level
NANA
Molybdenum
98420 198800
9.1.1 24th Energy Level
NANA
Molybdenum
104400 195200
9.1.2 25th Energy Level
NANA
Molybdenum
121900 121900
9.2.1 26th Energy Level
NANA
Molybdenum
127700 127700
9.2.2 27th Energy Level
NANA
Molybdenum
133800 133800
9.3.1 28th Energy Level
NANA
Molybdenum
139800 139800
9.3.2 29th Energy Level
NANA
Molybdenum
148100 148100
9.4.1 30th Energy Level
NANA
Molybdenum
154500 154500
9.6 Electrochemical Equivalent
2.82 g/amp-hr1.43 g/amp-hr
Beryllium
0.16812 8.3209
9.7 Electron Work Function
NA4.12 eV
Cesium
2.14 5.65
9.9 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes, Radioactivity, Solubility
10 Atomic
10.1 Atomic Number
8949
Lithium
3 117
10.2 Electron Configuration
[Rn] 6d1 7s2
[Kr] 4d10 5s2 5p1
10.3 Crystal Structure
Face Centered Cubic (FCC)
Tetragonal (TETR)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
8949
Lithium
3 117
10.4.3 Number of Neutrons
13866
Lithium
4 184
10.5.1 Number of Electrons
8949
Lithium
3 117
10.6 Radius of an Atom
10.6.1 Atomic Radius
195.00 pm167.00 pm
Beryllium
112 265
10.6.2 Covalent Radius
NA142.00 pm
Beryllium
96 260
10.6.3 Van der Waals Radius
NA193.00 pm
Zinc
139 348
10.7 Atomic Weight
227.00 amu114.82 amu
Lithium
6.94 294
10.8 Atomic Volume
22.54 cm3/mol15.70 cm3/mol
Manganese
1.39 71.07
10.9 Adjacent Atomic Numbers
10.9.1 Previous Element
10.9.2 Next Element
10.10 Valence Electron Potential
38.60 (-eV)54.00 (-eV)
Francium
8 392.42
10.11 Lattice Constant
567.00 pm325.23 pm
Beryllium
228.58 891.25
10.12 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
10.13 Lattice C/A Ratio
NANA
Beryllium
1.567 1.886
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
10.00 g/cm37.31 g/cm3
Lithium
0.534 40.7
11.1.2 Density When Liquid (at m.p.)
NA7.02 g/cm3
Lithium
0.512 20
11.2 Tensile Strength
NA2.50 MPa
Gold
2.5 11000
11.3 Viscosity
NANA
Mercury
0.001526 0.001526
11.4 Vapor Pressure
11.4.1 Vapor Pressure at 1000 K
NA0.01 (Pa)
Cerium
2.47E-11 121
11.4.2 Vapor Pressure at 2000 K
NANA
Tungsten
2.62E-10 774
11.5 Elasticity properties
11.5.1 Shear Modulus
NANA
Potassium
1.3 222
11.5.2 Bulk Modulus
NANA
Cesium
1.6 462
11.5.3 Young's Modulus
NA11.00 GPa
Cesium
1.7 528
11.6 Poisson Ratio
NANA
Beryllium
0.032 0.47
11.7 Other Mechanical Properties
NA
Ductile, Malleable
12 Magnetic
12.1 Magnetic Characteristics
12.1.1 Specific Gravity
10.077.31
Lithium
0.53 4500
12.1.2 Magnetic Ordering
Paramagnetic
Diamagnetic
12.1.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
12.1.4 Susceptibility
NANA
Bismuth
-0.000166 200000
12.2 Electrical Properties
12.2.1 Electrical Property
Unknown
Conductor
12.2.2 Resistivity
NA83.70 nΩ·m
Thallium
0.18 961
12.2.3 Electrical Conductivity
NA0.12 106/cm Ω
Plutonium
0.00666 0.63
12.2.4 Electron Affinity
NA28.90 kJ/mol
Mercury
0 222.8
13 Thermal
13.1 Specific Heat
0.12 J/(kg K)0.23 J/(kg K)
Americium
0.11 3.6
13.2 Molar Heat Capacity
27.20 J/mol·K26.74 J/mol·K
Beryllium
16.443 62.7
13.3 Thermal Conductivity
12.00 W/m·K81.80 W/m·K
Neptunium
6.3 429
13.4 Critical Temperature
NANA
Ytterbium
26.3 3223
13.5 Thermal Expansion
NA32.10 µm/(m·K)
Tungsten
4.5 97
13.6 Enthalpy
13.6.1 Enthalpy of Vaporization
NA226.40 kJ/mol
Zinc
7.32 799.1
13.6.2 Enthalpy of Fusion
NA3.28 kJ/mol
Cesium
2.1 35.23
13.6.3 Enthalpy of Atomization
301.00 kJ/mol242.70 kJ/mol
Mercury
61.5 837
13.7 Standard Molar Entropy
56.50 J/mol.K57.80 J/mol.K
Beryllium
9.5 198.1