Home
 Compare Metals

What is Rhodium?
Rhodium


Periodic Table
0
Symbol
Rh 0
Group Number
9 9
Period Number
5 3
Block
d block 0
Element Family
Transition Metal 0
CAS Number
7440166 63
Space Group Name
Fm_ 3m 0
Space Group Number
225.00 2
Facts
0
Interesting Facts
  • 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.
0
Sources
Earth's crust, Found As a By-product, Found in Minerals, Mining 0
History
0
Who Discovered
William Hyde Wollaston 0
Discovery
In 1804 0
Abundance
0
Abundance In Universe
6 * 10-8 % 26
Abundance In Sun
~0.0000002 % 25
Abundance In Meteorites
0.00 % 36
Abundance In Earth's Crust
0.00 % 55
Abundance In Oceans
Not Available 0
Abundance In Humans
Not Available 0
Uses
0
Uses & Benefits
  • 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.
0
Industrial Uses
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry 0
Medical Uses
NA 0
Other Uses
Alloys 0
Biological Properties
0
Toxicity
NA 0
Present in Human Body
No 0
In Blood
Not Available 0
In Bone
Not Available 0
Physical
0
Melting Point
1,966.00 °C 12
Boiling Point
3,727.00 °C 17
Appearance
0
Physical State
Solid 0
Color
Silvery White 0
Luster
Metallic 0
Hardness
0
Mohs Hardness
6.00 6
Brinell Hardness
980.00 MPa 9
Vickers Hardness
1,100.00 MPa 9
Speed of Sound
4,700.00 m/s 15
Optical Properties
0
Refractive Index
Not Available 0
Reflectivity
84.00 % 4
Allotropes
No 0
α Allotropes
Not Available 0
β Allotropes
Not Available 0
γ Allotropes
Not Available 0
Chemical
0
Chemical Formula
Rh 0
Isotopes
0
Known Isotopes
16 23
Electronegativity
0
Pauling Electronegativity
2.28 3
Sanderson Electronegativity
Not Available 0
Allred Rochow Electronegativity
1.45 16
Mulliken-Jaffe Electronegativity
Not Available 0
Allen Electronegativity
1.56 24
Electropositivity
0
Pauling Electropositivity
1.72 50
Ionization Energies
0
1st Energy Level
719.70 kJ/mol 29
2nd Energy Level
1,740.00 kJ/mol 26
3rd Energy Level
2,997.00 kJ/mol 27
4th Energy Level
Not Available 0
5th Energy Level
Not Available 0
6th Energy Level
Not Available 0
7th Energy level
Not Available 0
8th Energy Level
Not Available 0
9th Energy Level
Not Available 0
10th Energy Level
Not Available 0
11th Energy Level
Not Available 0
12th Energy Level
Not Available 0
13th Energy Level
Not Available 0
14th Energy Level
Not Available 0
15th Energy Level
Not Available 0
16th Energy Level
Not Available 0
17th Energy Level
Not Available 0
18th Energy Level
Not Available 0
19th Energy Level
Not Available 0
20th Energy Level
Not Available 0
21st Energy Level
Not Available 0
22nd Energy Level
Not Available 0
23rd Energy Level
Not Available 0
24th Energy Level
Not Available 0
25th Energy Level
Not Available 0
26th Energy Level
Not Available 0
27th Energy Level
Not Available 0
28th Energy Level
Not Available 0
29th Energy Level
Not Available 0
30th Energy Level
Not Available 0
Electrochemical Equivalent
1.28 g/amp-hr 50
Electron Work Function
4.98 eV 6
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes 0
Atomic
0
Atomic Number
45 67
Electron Configuration
[Kr] 4d8 5s1 0
Crystal Structure
Face Centered Cubic (FCC) 0
Crystal Lattice
FCC-Crystal-Structure-of-Rhodium.jpg#100 0
Atom
0
Number of Protons
45 66
Number of Neutrons
58 49
Number of Electrons
45 66
Radius of an Atom
0
Atomic Radius
134.00 pm 43
Covalent Radius
142.00 pm 42
Van der Waals Radius
200.00 pm 28
Atomic Weight
102.91 amu 61
Atomic Volume
8.30 cm3/mol 59
Adjacent Atomic Numbers
0
Previous Element
61 0
Next Element
1 0
Valence Electron Potential
64.00 (-eV) 22
Lattice Constant
380.34 pm 27
Lattice Angles
π/2, π/2, π/2 0
Lattice C/A Ratio
Not Available 0
Mechanical
0
Density
0
Density At Room Temperature
12.41 g/cm3 28
Density When Liquid (at m.p.)
10.70 g/cm3 14
Tensile Strength
951.00 MPa 5
Viscosity
Not Available 0
Vapor Pressure
0
Vapor Pressure at 1000 K
Not Available 0
Vapor Pressure at 2000 K
0.02 (Pa) 19
Elasticity properties
0
Shear Modulus
150.00 GPa 6
Bulk Modulus
275.00 GPa 5
Young's Modulus
380.00 GPa 5
Poisson Ratio
0.26 22
Other Mechanical Properties
Malleable 0
Magnetic
0
Magnetic Characteristics
0
Specific Gravity
12.41 20
Magnetic Ordering
Paramagnetic 0
Permeability
Not Available 0
Susceptibility
Not Available 0
Electrical Properties
0
Electrical Property
Conductor 0
Resistivity
43.30 nΩ·m 46
Electrical Conductivity
0.21 106/cm Ω 8
Electron Affinity
109.70 kJ/mol 7
Thermal
0
Specific Heat
0.24 J/(kg K) 22
Molar Heat Capacity
24.98 J/mol·K 45
Thermal Conductivity
150.00 W/m·K 9
Critical Temperature
Not Available 0
Thermal Expansion
8.20 µm/(m·K) 47
Enthalpy
0
Enthalpy of Vaporization
495.40 kJ/mol 12
Enthalpy of Fusion
21.76 kJ/mol 10
Enthalpy of Atomization
556.50 kJ/mol 12
Standard Molar Entropy
31.50 J/mol.K 49
Periodic Table >>
<< All

Transition Metals

Compare Transition Metals

Transition Metals

» More Transition Metals

Compare Transition Metals

» More Compare Transition Metals
Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!