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Rhenium
Rhenium

Cesium
Cesium



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Rhenium
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Rhenium Cesium Comparison

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1 Periodic Table
1.1 Symbol
Re
Cs
1.2 Group Number
71
Gadolinium Metal
0 17
1.3 Period Number
66
Lithium Metal
2 7
1.4 Block
d block
s block
1.5 Element Family
Transition Metal
Alkali
1.6 CAS Number
74401557440462
Aluminium Metal
7429905 54386242
1.8 Space Group Name
P63/mmc
Im_ 3m
1.9 Space Group Number
194.00229.00
Plutonium Metal
11 229
2 Facts
2.1 Interesting Facts
  • Chemical properties of Rhenium are similar to Manganese.
  • Rhenium metal is created while refining Molybdenum.
Not Available
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Earth's crust, Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Masataka Ogawa
Robert Bunsen and Gustav Kirchhoff
2.4.1 Discovery
In 1908
In 1860
2.5 Abundance
2.5.1 Abundance In Universe
2 * 10-8 %8 * 10-8 %
Thallium Metal
5E-09 0.11
3.1.2 Abundance In Sun
~0.00000001 %~0.0000008 %
Beryllium Metal
1E-08 0.1
4.2.3 Abundance In Meteorites
0.00 %0.00 %
Gold Metal
1.7E-07 22
4.3.2 Abundance In Earth's Crust
0.00 %0.00 %
Radium Metal
9.9E-12 8.1
4.4.3 Abundance In Oceans
0.00 %0.00 %
Protactinium Metal
2E-23 1.1
4.4.5 Abundance In Humans
NA0.00 %
Radium Metal
1E-13 1.4
5 Uses
5.1 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.
  • The most common use of cesium metal is as a drilling fluid. It is also used in optical glass manufacturing.
  • In vacuum tubes and radiation monitor equipment this metal is used as a catalyst promoter.
5.1.1 Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry
5.1.2 Medical Uses
NA
NA
5.1.3 Other Uses
Alloys
Alloys
5.2 Biological Properties
5.2.1 Toxicity
Low Toxic
Mildly Toxic
5.2.3 Present in Human Body
5.2.4 In Blood
NA0.00 Blood/mg dm-3
Plutonium Metal
0 1970
5.3.1 In Bone
NA0.05 p.p.m.
Plutonium Metal
0 170000
6 Physical
6.1 Melting Point
3,180.00 °C28.50 °C
Francium Metal
27 3410
6.5 Boiling Point
5,627.00 °C678.40 °C
Flerovium Metal
147 5660
6.7 Appearance
6.7.1 Physical State
Solid
Solid
6.7.2 Color
Silvery Gray
Silvery Gold
6.7.3 Luster
Metallic
NA
6.8 Hardness
6.8.1 Mohs Hardness
7.000.20
Tin
0.2 8.5
6.11.1 Brinell Hardness
1,320.00 MPa0.14 MPa
Palladium
0.14 3490
7.2.2 Vickers Hardness
1,350.00 MPaNA
Palladium Metal
121 3430
7.3 Speed of Sound
4,700.00 m/sNA
Thallium Metal
818 16200
7.5 Optical Properties
7.5.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
7.5.3 Reflectivity
NANA
Molybdenum Metal
58 97
7.7 Allotropes
7.7.1 α Allotropes
Not Available
Not Available
7.7.2 β Allotropes
Not Available
Not Available
7.7.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
Re
Cs
8.2 Isotopes
8.2.1 Known Isotopes
3336
Tennessine Metal
0 38
8.4 Electronegativity
8.4.1 Pauling Electronegativity
1.900.79
Francium Metal
0.7 2.54
8.5.2 Sanderson Electronegativity
NA0.22
Sodium
0.22 2.56
8.5.5 Allred Rochow Electronegativity
1.460.86
Potassium
0.86 1.82
8.5.8 Mulliken-Jaffe Electronegativity
NA0.62
Sodium
0.62 2.48
8.5.11 Allen Electronegativity
1.600.66
Francium
0.659 2.7
8.6 Electropositivity
8.6.1 Pauling Electropositivity
2.103.21
Gold Metal
1.46 3.3
8.8 Ionization Energies
8.8.1 1st Energy Level
760.00 kJ/mol375.70 kJ/mol
Palladium
375.7 26130
9.1.2 2nd Energy Level
1,260.00 kJ/mol2,234.30 kJ/mol
Ruthenium Metal
710.2162 28750
9.1.7 3rd Energy Level
2,510.00 kJ/mol3,400.00 kJ/mol
Osmium Metal
1600 34230
9.1.11 4th Energy Level
3,640.00 kJ/molNA
Thorium Metal
2780 37066
9.2.4 5th Energy Level
NANA
Dubnium Metal
4305.2 97510
9.2.7 6th Energy Level
NANA
Seaborgium Metal
5715.8 105800
9.2.11 7th Energy level
NANA
Bohrium Metal
7226.8 114300
9.2.15 8th Energy Level
NANA
Hassium Metal
8857.4 125300
9.3.1 9th Energy Level
NANA
Yttrium Metal
14110 134700
10.1.1 10th Energy Level
NANA
Strontium Metal
17100 144300
11.5.2 11th Energy Level
NANA
Yttrium Metal
19900 169988
11.6.2 12th Energy Level
NANA
Molybdenum Metal
22219 189368
11.7.1 13th Energy Level
NANA
Molybdenum Metal
26930 76015
11.9.2 14th Energy Level
NANA
Molybdenum Metal
29196 86450
11.10.1 15th Energy Level
NANA
Manganese Metal
41987 97510
11.11.2 16th Energy Level
NANA
Iron Metal
47206 109480
11.12.1 17th Energy Level
NANA
Cobalt Metal
52737 122200
11.15.1 18th Energy Level
NANA
Nickel Metal
58570 134810
11.16.1 19th Energy Level
NANA
Copper Metal
64702 148700
11.18.1 20th Energy Level
NANA
Molybdenum Metal
80400 171200
12.1.2 21st Energy Level
NANA
Molybdenum Metal
87000 179100
12.1.4 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
12.2.1 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
12.3.1 24th Energy Level
NANA
Molybdenum Metal
104400 195200
12.4.2 25th Energy Level
NANA
Molybdenum Metal
121900 121900
12.4.4 26th Energy Level
NANA
Molybdenum Metal
127700 127700
12.4.5 27th Energy Level
NANA
Molybdenum Metal
133800 133800
12.5.2 28th Energy Level
NANA
Molybdenum Metal
139800 139800
12.5.3 29th Energy Level
NANA
Molybdenum Metal
148100 148100
12.5.4 30th Energy Level
NANA
Molybdenum Metal
154500 154500
12.6 Electrochemical Equivalent
0.99 g/amp-hr4.96 g/amp-hr
Beryllium Metal
0.16812 8.3209
12.7 Electron Work Function
4.96 eV2.14 eV
Potassium
2.14 5.65
12.8 Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility
Chemical Stability, Corrosion, Ionization, Radioactive Isotopes, Solubility
13 Atomic
13.1 Atomic Number
7555
Lithium Metal
3 117
13.2 Electron Configuration
[Xe] 4f14 5d5 6s2
[Xe] 6s1
13.3 Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
13.3.1 Crystal Lattice
13.4 Atom
13.4.1 Number of Protons
7555
Lithium Metal
3 117
13.4.3 Number of Neutrons
11178
Lithium Metal
4 184
13.4.4 Number of Electrons
7555
Lithium Metal
3 117
13.5 Radius of an Atom
13.5.1 Atomic Radius
137.00 pm265.00 pm
Beryllium Metal
112 265
13.5.2 Covalent Radius
151.00 pm244.00 pm
Beryllium Metal
96 260
13.6.1 Van der Waals Radius
200.00 pm343.00 pm
Zinc Metal
139 348
13.7 Atomic Weight
186.21 amu132.91 amu
Lithium Metal
6.94 294
13.8 Atomic Volume
8.85 cm3/mol71.07 cm3/mol
Manganese Metal
1.39 71.07
14.2 Adjacent Atomic Numbers
14.2.1 Previous Element
14.2.2 Next Element
14.3 Valence Electron Potential
180.00 (-eV)8.62 (-eV)
Francium Metal
8 392.42
14.4 Lattice Constant
276.10 pm614.10 pm
Beryllium Metal
228.58 891.25
14.5 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
14.6 Lattice C/A Ratio
1.62NA
Beryllium Metal
1.567 1.886
15 Mechanical
15.1 Density
15.1.1 Density At Room Temperature
21.02 g/cm31.93 g/cm3
Lithium Metal
0.534 40.7
15.1.3 Density When Liquid (at m.p.)
18.90 g/cm31.84 g/cm3
Lithium Metal
0.512 20
15.3 Tensile Strength
1,070.00 MPaNA
Indium Metal
2.5 11000
15.4 Viscosity
NANA
Mercury Metal
0.001526 0.001526
15.5 Vapor Pressure
15.5.1 Vapor Pressure at 1000 K
NANA
Cerium Metal
2.47E-11 121
15.5.3 Vapor Pressure at 2000 K
0.00 (Pa)NA
Tungsten Metal
2.62E-10 774
15.6 Elasticity properties
15.6.1 Shear Modulus
178.00 GPaNA
Potassium Metal
1.3 222
16.1.1 Bulk Modulus
370.00 GPa1.60 GPa
Tin
1.6 462
16.2.1 Young's Modulus
463.00 GPa1.70 GPa
Palladium
1.7 528
16.4 Poisson Ratio
0.30NA
Beryllium Metal
0.032 0.47
16.5 Other Mechanical Properties
Ductile, Malleable
Ductile
17 Magnetic
17.1 Magnetic Characteristics
17.1.1 Specific Gravity
21.021.87
Lithium Metal
0.53 4500
17.2.1 Magnetic Ordering
Paramagnetic
Paramagnetic
17.2.2 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
17.3.1 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
17.4 Electrical Properties
17.4.1 Electrical Property
Conductor
Semiconductor
17.4.2 Resistivity
193.00 nΩ·m205.00 nΩ·m
Thallium Metal
0.18 961
17.5.2 Electrical Conductivity
0.05 106/cm Ω0.05 106/cm Ω
Plutonium Metal
0.00666 0.63
17.5.4 Electron Affinity
14.50 kJ/mol45.50 kJ/mol
Mercury Metal
0 222.8
18 Thermal
18.1 Specific Heat
0.13 J/(kg K)0.24 J/(kg K)
Americium Metal
0.11 3.6
18.2 Molar Heat Capacity
25.48 J/mol·K32.21 J/mol·K
Beryllium Metal
16.443 62.7
18.4 Thermal Conductivity
48.00 W/m·K35.90 W/m·K
Neptunium Metal
6.3 429
18.5 Critical Temperature
NA1,938.00 K
Ytterbium Metal
26.3 3223
18.6 Thermal Expansion
6.20 µm/(m·K)97.00 µm/(m·K)
Tungsten Metal
4.5 97
18.7 Enthalpy
18.7.1 Enthalpy of Vaporization
707.10 kJ/mol65.90 kJ/mol
Zinc Metal
7.32 799.1
18.7.2 Enthalpy of Fusion
33.05 kJ/mol2.10 kJ/mol
Tin
2.1 35.23
18.7.3 Enthalpy of Atomization
791.00 kJ/mol78.20 kJ/mol
Mercury Metal
61.5 837
18.8 Standard Molar Entropy
36.90 J/mol.K85.20 J/mol.K
Beryllium Metal
9.5 198.1