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Rhenium
Rhenium

Thorium
Thorium



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Rhenium vs Thorium

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1 Periodic Table
1.1 Symbol
Re
Th
1.2 Group Number
70
Gadolinium
0 17
1.4 Period Number
67
Lithium
2 7
1.6 Block
d block
f block
1.7 Element Family
Transition Metal
Actinide
1.8 CAS Number
74401557440326
Aluminium
7429905 54386242
1.9 Space Group Name
P63/mmc
P63/mmc
1.10 Space Group Number
194.00194.00
Plutonium
11 229
2 Facts
2.1 Interesting Facts
  • Chemical properties of Rhenium are similar to Manganese.
  • Rhenium metal is created while refining Molybdenum.
  • Thorium metal is used as an alternate option over Uranium for nuclear fuel.
  • Thorium metals appearance (silvery white, soft) is somewhat similar to Lead metal.
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining
2.3 History
2.3.1 Who Discovered
Masataka Ogawa
Jöns Jakob Berzelius
2.3.2 Discovery
In 1908
In 1829
2.4 Abundance
2.4.1 Abundance In Universe
2 * 10-8 %3 * 10-4 %
Thallium
5E-09 0.11
2.4.4 Abundance In Sun
~0.00000001 %~0.0004 %
Beryllium
1E-08 0.1
2.4.7 Abundance In Meteorites
0.00 %0.05 %
Gold
1.7E-07 22
2.4.10 Abundance In Earth's Crust
0.00 %0.66 %
Radium
9.9E-12 8.1
2.4.13 Abundance In Oceans
0.00 %0.00 %
Protactinium
2E-23 1.1
2.4.16 Abundance In Humans
NANA
Radium
1E-13 1.4
3 Uses
3.1 Uses & Benefits
  • Alloys of Rhenium are used as an electric contact material. It can resist withstand arc corrosion.
  • Its catalysts are used in hydrogenation of fine chemicals. Its Alloy with nickel is used to produce turbine blades.
  • Thorium metal is used as an allying agent for Magnesium, It imparts greater strength and resistance to temperature.
  • compound of this metal Thorium oxide is used as an industrial catalyst.
3.1.1 Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
3.1.2 Medical Uses
NA
Dentistry, Surgical Instruments Manufacturing
3.1.3 Other Uses
Alloys
Alloys, Jewellery, Sculptures, Statues
3.2 Biological Properties
3.2.1 Toxicity
Low Toxic
Non Toxic
3.2.2 Present in Human Body
3.2.3 In Blood
NA0.00 Blood/mg dm-3
Plutonium
0 1970
3.2.6 In Bone
NA0.02 p.p.m.
Plutonium
0 170000
4 Physical
4.1 Melting Point
3,180.00 °C1,750.00 °C
Francium
27 3410
4.2 Boiling Point
5,627.00 °C4,790.00 °C
Flerovium
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Silvery Gray
Silver
4.3.4 Luster
Metallic
NA
4.4 Hardness
4.4.1 Mohs Hardness
7.003.00
Cesium
0.2 8.5
4.4.4 Brinell Hardness
1,320.00 MPa390.00 MPa
Cesium
0.14 3490
4.4.8 Vickers Hardness
1,350.00 MPa295.00 MPa
Palladium
121 3430
4.5 Speed of Sound
4,700.00 m/s2,490.00 m/s
Thallium
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury
1.000933 1.7229
4.6.4 Reflectivity
NANA
Molybdenum
58 97
4.7 Allotropes
4.7.2 α Allotropes
Not Available
Not Available
4.7.3 β Allotropes
Not Available
Not Available
4.7.4 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
Re
Th
5.2 Isotopes
5.2.1 Known Isotopes
3328
Tennessine
0 38
5.4 Electronegativity
5.4.1 Pauling Electronegativity
1.901.30
Francium
0.7 2.54
5.5.2 Sanderson Electronegativity
NANA
Cesium
0.22 2.56
6.1.2 Allred Rochow Electronegativity
1.461.11
Cesium
0.86 1.82
6.4.2 Mulliken-Jaffe Electronegativity
NANA
Cesium
0.62 2.48
6.4.4 Allen Electronegativity
1.60NA
Cesium
0.659 2.7
6.5 Electropositivity
6.5.1 Pauling Electropositivity
2.102.70
Gold
1.46 3.3
6.6 Ionization Energies
6.6.1 1st Energy Level
760.00 kJ/mol587.00 kJ/mol
Cesium
375.7 26130
6.7.3 2nd Energy Level
1,260.00 kJ/mol1,110.00 kJ/mol
Ruthenium
710.2162 28750
6.7.6 3rd Energy Level
2,510.00 kJ/mol1,978.00 kJ/mol
Osmium
1600 34230
6.8.1 4th Energy Level
3,640.00 kJ/mol2,780.00 kJ/mol
Tin
2780 37066
6.10.1 5th Energy Level
NANA
Dubnium
4305.2 97510
6.11.1 6th Energy Level
NANA
Seaborgium
5715.8 105800
7.1.1 7th Energy level
NANA
Bohrium
7226.8 114300
7.3.1 8th Energy Level
NANA
Hassium
8857.4 125300
7.7.1 9th Energy Level
NANA
Yttrium
14110 134700
7.9.2 10th Energy Level
NANA
Strontium
17100 144300
8.1.2 11th Energy Level
NANA
Yttrium
19900 169988
8.1.5 12th Energy Level
NANA
Molybdenum
22219 189368
8.3.1 13th Energy Level
NANA
Molybdenum
26930 76015
8.4.1 14th Energy Level
NANA
Molybdenum
29196 86450
8.5.3 15th Energy Level
NANA
Manganese
41987 97510
8.6.1 16th Energy Level
NANA
Iron
47206 109480
8.7.2 17th Energy Level
NANA
Cobalt
52737 122200
8.8.1 18th Energy Level
NANA
Nickel
58570 134810
8.8.3 19th Energy Level
NANA
Copper
64702 148700
8.10.2 20th Energy Level
NANA
Molybdenum
80400 171200
8.12.1 21st Energy Level
NANA
Molybdenum
87000 179100
8.12.2 22nd Energy Level
NANA
Molybdenum
93400 184900
9.1.2 23rd Energy Level
NANA
Molybdenum
98420 198800
10.1.4 24th Energy Level
NANA
Molybdenum
104400 195200
10.1.5 25th Energy Level
NANA
Molybdenum
121900 121900
10.1.8 26th Energy Level
NANA
Molybdenum
127700 127700
10.1.9 27th Energy Level
NANA
Molybdenum
133800 133800
10.3.1 28th Energy Level
NANA
Molybdenum
139800 139800
10.3.2 29th Energy Level
NANA
Molybdenum
148100 148100
10.4.2 30th Energy Level
NANA
Molybdenum
154500 154500
10.6 Electrochemical Equivalent
0.99 g/amp-hr2.16 g/amp-hr
Beryllium
0.16812 8.3209
10.7 Electron Work Function
4.96 eV3.41 eV
Cesium
2.14 5.65
11.3 Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility
Corrosion, Ionization, Radioactive Isotopes, Radioactivity
12 Atomic
12.1 Atomic Number
7590
Lithium
3 117
12.3 Electron Configuration
[Xe] 4f14 5d5 6s2
[Rn] 6d2 7s2
12.4 Crystal Structure
Hexagonal Close Packed (HCP)
Face Centered Cubic (FCC)
12.4.1 Crystal Lattice
12.5 Atom
12.5.1 Number of Protons
7590
Lithium
3 117
12.6.2 Number of Neutrons
111142
Lithium
4 184
12.7.1 Number of Electrons
7590
Lithium
3 117
12.9 Radius of an Atom
12.9.1 Atomic Radius
137.00 pm179.80 pm
Beryllium
112 265
12.11.1 Covalent Radius
151.00 pm206.00 pm
Beryllium
96 260
13.1.2 Van der Waals Radius
200.00 pm237.00 pm
Zinc
139 348
13.2 Atomic Weight
186.21 amu232.04 amu
Lithium
6.94 294
13.4 Atomic Volume
8.85 cm3/mol19.90 cm3/mol
Manganese
1.39 71.07
13.6 Adjacent Atomic Numbers
13.6.1 Previous Element
13.6.2 Next Element
13.7 Valence Electron Potential
180.00 (-eV)59.30 (-eV)
Francium
8 392.42
13.8 Lattice Constant
276.10 pm508.42 pm
Beryllium
228.58 891.25
13.9 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
13.10 Lattice C/A Ratio
1.62NA
Beryllium
1.567 1.886
14 Mechanical
14.1 Density
14.1.1 Density At Room Temperature
21.02 g/cm311.72 g/cm3
Lithium
0.534 40.7
15.1.1 Density When Liquid (at m.p.)
18.90 g/cm3NA
Lithium
0.512 20
15.3 Tensile Strength
1,070.00 MPaNA
Indium
2.5 11000
15.4 Viscosity
NANA
Mercury
0.001526 0.001526
15.6 Vapor Pressure
15.6.1 Vapor Pressure at 1000 K
NANA
Cerium
2.47E-11 121
15.7.1 Vapor Pressure at 2000 K
0.00 (Pa)0.00 (Pa)
Tungsten
2.62E-10 774
15.8 Elasticity properties
15.8.1 Shear Modulus
178.00 GPa31.00 GPa
Potassium
1.3 222
15.9.1 Bulk Modulus
370.00 GPa54.00 GPa
Cesium
1.6 462
15.10.2 Young's Modulus
463.00 GPa79.00 GPa
Cesium
1.7 528
15.11 Poisson Ratio
0.300.27
Beryllium
0.032 0.47
15.12 Other Mechanical Properties
Ductile, Malleable
Ductile
16 Magnetic
16.1 Magnetic Characteristics
16.1.1 Specific Gravity
21.0211.70
Lithium
0.53 4500
16.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
16.1.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
16.2.1 Susceptibility
NANA
Bismuth
-0.000166 200000
16.3 Electrical Properties
16.3.1 Electrical Property
Conductor
Superconductor
16.3.2 Resistivity
193.00 nΩ·m157.00 nΩ·m
Thallium
0.18 961
16.3.3 Electrical Conductivity
0.05 106/cm Ω0.07 106/cm Ω
Plutonium
0.00666 0.63
16.3.4 Electron Affinity
14.50 kJ/molNA
Mercury
0 222.8
17 Thermal
17.1 Specific Heat
0.13 J/(kg K)0.12 J/(kg K)
Americium
0.11 3.6
17.2 Molar Heat Capacity
25.48 J/mol·K26.23 J/mol·K
Beryllium
16.443 62.7
17.3 Thermal Conductivity
48.00 W/m·K54.00 W/m·K
Neptunium
6.3 429
17.4 Critical Temperature
NANA
Ytterbium
26.3 3223
17.5 Thermal Expansion
6.20 µm/(m·K)11.00 µm/(m·K)
Tungsten
4.5 97
17.6 Enthalpy
17.6.1 Enthalpy of Vaporization
707.10 kJ/mol429.00 kJ/mol
Zinc
7.32 799.1
17.6.2 Enthalpy of Fusion
33.05 kJ/mol15.48 kJ/mol
Cesium
2.1 35.23
17.6.3 Enthalpy of Atomization
791.00 kJ/mol468.60 kJ/mol
Mercury
61.5 837
17.7 Standard Molar Entropy
36.90 J/mol.K27.30 J/mol.K
Beryllium
9.5 198.1