1 Periodic Table
1.1 Symbol
1.2 Group Number
2.3 Period Number
2.5 Block
2.6 Element Family
Actinide
Transition Metal
2.7 CAS Number
74399987440155
7429905
54386242
2.8 Space Group Name
2.9 Space Group Number
3 Facts
3.1 Interesting Facts
Not Available
- Chemical properties of Rhenium are similar to Manganese.
- Rhenium metal is created while refining Molybdenum.
3.2 Sources
Made by Bombarding Uranium with Neutrons, Ores of metals
Found in Minerals, Mining, Ores of Minerals
3.3 History
3.3.1 Who Discovered
Edwin McMillan and Philip H. Abelson
Masataka Ogawa
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
4.2.5 Abundance In Sun
~-9999 %~0.00000001 %
1E-08
0.1
4.2.8 Abundance In Meteorites
5.1.1 Abundance In Earth's Crust
5.2.3 Abundance In Oceans
5.3.1 Abundance In Humans
6 Uses
6.1 Uses & Benefits
- Currently known uses of Neptunium metal are limited to research purpose only.
-
Neptunium’s isotope neptunium-237 is used as a neutron detectors.
- 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.
6.1.1 Industrial Uses
NA
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
6.1.2 Medical Uses
6.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
Alloys
6.2 Biological Properties
6.2.1 Toxicity
6.2.2 Present in Human Body
6.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
6.2.5 In Bone
7 Physical
7.1 Melting Point
640.00 °C3,180.00 °C
27
3410
7.2 Boiling Point
3,902.00 °C5,627.00 °C
147
5660
7.4 Appearance
7.4.1 Physical State
7.4.2 Color
7.4.3 Luster
7.5 Hardness
7.5.1 Mohs Hardness
7.6.2 Brinell Hardness
7.7.4 Vickers Hardness
8.3 Speed of Sound
8.5 Optical Properties
8.5.1 Refractive Index
8.5.4 Reflectivity
8.6 Allotropes
8.6.1 α Allotropes
Not Available
Not Available
8.6.2 β Allotropes
Not Available
Not Available
8.6.3 γ Allotropes
Not Available
Not Available
9 Chemical
9.1 Chemical Formula
9.2 Isotopes
9.2.1 Known Isotopes
9.3 Electronegativity
9.3.1 Pauling Electronegativity
9.3.3 Sanderson Electronegativity
9.3.7 Allred Rochow Electronegativity
9.4.3 Mulliken-Jaffe Electronegativity
9.5.3 Allen Electronegativity
9.6 Electropositivity
9.6.1 Pauling Electropositivity
9.7 Ionization Energies
9.7.1 1st Energy Level
604.50 kJ/mol760.00 kJ/mol
375.7
26130
9.7.3 2nd Energy Level
1,128.00 kJ/mol1,260.00 kJ/mol
710.2162
28750
9.7.7 3rd Energy Level
1,997.00 kJ/mol2,510.00 kJ/mol
1600
34230
9.7.11 4th Energy Level
3,242.00 kJ/mol3,640.00 kJ/mol
2780
37066
9.7.14 5th Energy Level
9.7.17 6th Energy Level
9.7.20 7th Energy level
9.8.1 8th Energy Level
9.8.3 9th Energy Level
9.9.1 10th Energy Level
10.1.1 11th Energy Level
10.4.2 12th Energy Level
10.4.4 13th Energy Level
10.4.7 14th Energy Level
10.4.10 15th Energy Level
10.4.12 16th Energy Level
10.5.2 17th Energy Level
10.5.5 18th Energy Level
10.5.8 19th Energy Level
10.5.10 20th Energy Level
10.6.2 21st Energy Level
10.6.3 22nd Energy Level
10.7.1 23rd Energy Level
10.7.3 24th Energy Level
10.9.2 25th Energy Level
10.9.4 26th Energy Level
10.10.2 27th Energy Level
10.10.4 28th Energy Level
10.12.2 29th Energy Level
11.1.2 30th Energy Level
11.3 Electrochemical Equivalent
1.77 g/amp-hr0.99 g/amp-hr
0.16812
8.3209
11.5 Electron Work Function
12.2 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Corrosion, Ionization, Radioactive Isotopes, Solubility
13 Atomic
13.1 Atomic Number
13.4 Electron Configuration
[Rn] 5f4 6d1 7s2
[Xe] 4f14 5d5 6s2
13.5 Crystal Structure
Orthorhombic (ORTH)
Hexagonal Close Packed (HCP)
13.5.1 Crystal Lattice
13.6 Atom
13.6.1 Number of Protons
13.9.3 Number of Neutrons
13.10.2 Number of Electrons
13.11 Radius of an Atom
13.11.1 Atomic Radius
155.00 pm137.00 pm
112
265
13.11.3 Covalent Radius
190.00 pm151.00 pm
96
260
13.12.2 Van der Waals Radius
221.00 pm200.00 pm
139
348
13.14 Atomic Weight
237.00 amu186.21 amu
6.94
294
14.2 Atomic Volume
11.62 cm3/mol8.85 cm3/mol
1.39
71.07
14.4 Adjacent Atomic Numbers
14.4.1 Previous Element
14.4.2 Next Element
14.5 Valence Electron Potential
96.00 (-eV)180.00 (-eV)
8
392.42
14.8 Lattice Constant
666.30 pm276.10 pm
228.58
891.25
14.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
14.12 Lattice C/A Ratio
15 Mechanical
15.1 Density
15.1.1 Density At Room Temperature
19.38 g/cm321.02 g/cm3
0.534
40.7
15.3.1 Density When Liquid (at m.p.)
17.2 Tensile Strength
125.00 MPa1,070.00 MPa
2.5
11000
17.4 Viscosity
17.5 Vapor Pressure
17.5.1 Vapor Pressure at 1000 K
17.7.1 Vapor Pressure at 2000 K
0.11 (Pa)0.00 (Pa)
2.62E-10
774
17.9 Elasticity properties
17.9.1 Shear Modulus
17.12.2 Bulk Modulus
17.13.3 Young's Modulus
17.15 Poisson Ratio
17.16 Other Mechanical Properties
Ductile
Ductile, Malleable
18 Magnetic
18.1 Magnetic Characteristics
18.1.1 Specific Gravity
18.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
18.1.3 Permeability
18.2.1 Susceptibility
18.3 Electrical Properties
18.3.1 Electrical Property
18.3.2 Resistivity
1.22 nΩ·m193.00 nΩ·m
0.18
961
18.4.1 Electrical Conductivity
0.01 106/cm Ω0.05 106/cm Ω
0.00666
0.63
19.1.4 Electron Affinity
20 Thermal
20.1 Specific Heat
0.12 J/(kg K)0.13 J/(kg K)
0.11
3.6
20.3 Molar Heat Capacity
29.46 J/mol·K25.48 J/mol·K
16.443
62.7
20.4 Thermal Conductivity
6.30 W/m·K48.00 W/m·K
6.3
429
20.5 Critical Temperature
20.6 Thermal Expansion
21.2 Enthalpy
21.2.1 Enthalpy of Vaporization
NA707.10 kJ/mol
7.32
799.1
21.3.1 Enthalpy of Fusion
3.20 kJ/mol33.05 kJ/mol
2.1
35.23
21.4.1 Enthalpy of Atomization
21.5 Standard Molar Entropy
NA36.90 J/mol.K
9.5
198.1