1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Probably Post-Transition
Transition Metal
1.6 CAS Number
540847077440166
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
Not Available
- Rhodium is the rarest element out of all non-radioactive metals on the earth .
- Rhodium is one of the most durable and hard metal, which also have high reflectance.
2.2 Sources
Synthetically Produced
Earth's crust, Found As a By-product, Found in Minerals, Mining
2.3 History
2.3.1 Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
William Hyde Wollaston
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.5.1 Abundance In Sun
~-9999 %~0.0000002 %
1E-08
0.1
2.8.1 Abundance In Meteorites
2.9.1 Abundance In Earth's Crust
2.10.1 Abundance In Oceans
3.4.2 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Currently known uses of Ununtrium metal are limited to research purpose only.
- Rhodium metal is mainly used in catalytic converters for cars as it reduces nitrogen oxides in exhaust gases.
- It is used as an industrial catalyst for nitric acid, acetic acid, hydrogenation reaction, etc.
4.1.1 Industrial Uses
NA
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry
4.1.2 Medical Uses
4.1.3 Other Uses
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
4.2.4 In Bone
5 Physical
5.1 Melting Point
430.00 °C1,966.00 °C
27
3410
5.2 Boiling Point
1,130.00 °C3,727.00 °C
147
5660
5.3 Appearance
5.3.1 Physical State
5.3.2 Color
5.3.3 Luster
5.4 Hardness
5.4.1 Mohs Hardness
5.4.3 Brinell Hardness
6.2.4 Vickers Hardness
6.3 Speed of Sound
7.2 Optical Properties
7.2.1 Refractive Index
7.3.1 Reflectivity
7.4 Allotropes
7.4.1 α Allotropes
Not Available
Not Available
7.4.2 β Allotropes
Not Available
Not Available
7.4.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
8.2 Isotopes
8.2.1 Known Isotopes
8.5 Electronegativity
8.5.1 Pauling Electronegativity
8.5.2 Sanderson Electronegativity
8.5.4 Allred Rochow Electronegativity
8.5.6 Mulliken-Jaffe Electronegativity
8.6.1 Allen Electronegativity
8.8 Electropositivity
8.8.1 Pauling Electropositivity
8.9 Ionization Energies
8.9.1 1st Energy Level
704.90 kJ/mol719.70 kJ/mol
375.7
26130
9.2.2 2nd Energy Level
2,238.50 kJ/mol1,740.00 kJ/mol
710.2162
28750
9.2.3 3rd Energy Level
3,023.30 kJ/mol2,997.00 kJ/mol
1600
34230
9.3.2 4th Energy Level
4,351.50 kJ/molNA
2780
37066
9.3.4 5th Energy Level
5,692.60 kJ/molNA
4305.2
97510
9.3.5 6th Energy Level
9.3.7 7th Energy level
9.3.9 8th Energy Level
9.3.10 9th Energy Level
9.3.12 10th Energy Level
9.4.2 11th Energy Level
9.5.2 12th Energy Level
9.5.4 13th Energy Level
9.5.6 14th Energy Level
9.5.8 15th Energy Level
9.5.9 16th Energy Level
9.5.11 17th Energy Level
9.5.13 18th Energy Level
9.5.15 19th Energy Level
9.5.17 20th Energy Level
9.5.18 21st Energy Level
9.5.20 22nd Energy Level
9.5.22 23rd Energy Level
9.5.24 24th Energy Level
9.5.25 25th Energy Level
9.5.27 26th Energy Level
9.5.28 27th Energy Level
9.5.30 28th Energy Level
9.5.31 29th Energy Level
9.5.33 30th Energy Level
9.6 Electrochemical Equivalent
NA1.28 g/amp-hr
0.16812
8.3209
9.7 Electron Work Function
9.8 Other Chemical Properties
Chemical Stability, Ionization
Anti Corrosion, Ionization, Radioactive Isotopes
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
[Rn] 5f14 6d10 7s2 7p1
[Kr] 4d8 5s1
10.3 Crystal Structure
Not Known
Face Centered Cubic (FCC)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10.4.3 Number of Neutrons
10.4.6 Number of Electrons
10.5 Radius of an Atom
10.5.1 Atomic Radius
10.5.3 Covalent Radius
10.5.5 Van der Waals Radius
10.6 Atomic Weight
286.00 amu102.91 amu
6.94
294
10.7 Atomic Volume
NA8.30 cm3/mol
1.39
71.07
10.8 Adjacent Atomic Numbers
10.8.1 Previous Element
10.8.2 Next Element
10.9 Valence Electron Potential
10.11 Lattice Constant
NA380.34 pm
228.58
891.25
10.12 Lattice Angles
10.13 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
16.00 g/cm312.41 g/cm3
0.534
40.7
12.1.1 Density When Liquid (at m.p.)
12.5 Tensile Strength
12.6 Viscosity
12.7 Vapor Pressure
12.7.1 Vapor Pressure at 1000 K
12.8.2 Vapor Pressure at 2000 K
12.9 Elasticity properties
12.9.1 Shear Modulus
12.10.1 Bulk Modulus
12.10.2 Young's Modulus
12.12 Poisson Ratio
12.15 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.2.1 Magnetic Ordering
13.2.2 Permeability
13.2.3 Susceptibility
13.5 Electrical Properties
13.5.1 Electrical Property
13.5.2 Resistivity
14.1.2 Electrical Conductivity
NA0.21 106/cm Ω
0.00666
0.63
14.1.4 Electron Affinity
15 Thermal
15.1 Specific Heat
15.3 Molar Heat Capacity
NA24.98 J/mol·K
16.443
62.7
15.5 Thermal Conductivity
15.6 Critical Temperature
15.8 Thermal Expansion
15.9 Enthalpy
15.9.1 Enthalpy of Vaporization
NA495.40 kJ/mol
7.32
799.1
15.9.3 Enthalpy of Fusion
15.10.1 Enthalpy of Atomization
15.12 Standard Molar Entropy
NA31.50 J/mol.K
9.5
198.1