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Bohrium
Bohrium

Rhodium
Rhodium



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Bohrium
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Rhodium

Bohrium Rhodium Comparison

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1 Periodic Table
1.1 Symbol
Bh
Rh
1.2 Group Number
79
Gadolinium Metal
0 17
1.3 Period Number
75
Lithium Metal
2 7
1.4 Block
d block
d block
1.5 Element Family
Transition Metal
Transition Metal
1.6 CAS Number
540371487440166
Aluminium Metal
7429905 54386242
1.7 Space Group Name
Not Available
Fm_ 3m
1.8 Space Group Number
NA225.00
Plutonium Metal
11 229
2 Facts
2.1 Interesting Facts
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
  • 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
Found in Minerals, Mining, Synthetically Produced
Earth's crust, Found As a By-product, Found in Minerals, Mining
2.3 History
2.3.1 Who Discovered
Gesellschaft für Schwerionenforschung
William Hyde Wollaston
2.3.2 Discovery
In 1981
In 1804
2.4 Abundance
2.4.1 Abundance In Universe
NA6 * 10-8 %
Thallium Metal
5E-09 0.11
2.4.2 Abundance In Sun
~-9999 %~0.0000002 %
Beryllium Metal
1E-08 0.1
2.4.3 Abundance In Meteorites
NA0.00 %
Gold Metal
1.7E-07 22
2.4.4 Abundance In Earth's Crust
NA0.00 %
Radium Metal
9.9E-12 8.1
2.4.5 Abundance In Oceans
NANA
Protactinium Metal
2E-23 1.1
2.4.6 Abundance In Humans
NANA
Radium Metal
1E-13 1.4
3 Uses
3.1 Uses & Benefits
  • Currently known uses of Bohrium 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.
3.1.1 Industrial Uses
NA
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
Research Purposes
Alloys
3.2 Biological Properties
3.2.1 Toxicity
Unknown
NA
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-3NA
Plutonium Metal
0 1970
3.2.4 In Bone
0.00 p.p.m.NA
Plutonium Metal
0 170000
4 Physical
4.1 Melting Point
NA1,966.00 °C
Francium Metal
27 3410
4.2 Boiling Point
NA3,727.00 °C
Flerovium Metal
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Unknown
Silvery White
4.3.3 Luster
Unknown Luster
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
NA6.00
Cesium Metal
0.2 8.5
4.4.2 Brinell Hardness
NA980.00 MPa
Cesium Metal
0.14 3490
4.4.3 Vickers Hardness
NA1,100.00 MPa
Palladium Metal
121 3430
4.5 Speed of Sound
NA4,700.00 m/s
Thallium Metal
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
4.6.2 Reflectivity
NA84.00 %
Molybdenum Metal
58 97
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
Bh
Rh
5.2 Isotopes
5.2.1 Known Isotopes
516
Tennessine Metal
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
NA2.28
Francium Metal
0.7 2.54
5.3.2 Sanderson Electronegativity
NANA
Cesium Metal
0.22 2.56
5.3.3 Allred Rochow Electronegativity
NA1.45
Cesium Metal
0.86 1.82
5.3.4 Mulliken-Jaffe Electronegativity
NANA
Cesium Metal
0.62 2.48
5.3.5 Allen Electronegativity
NA1.56
Cesium Metal
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
NA1.72
Gold Metal
1.46 3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
742.90 kJ/mol719.70 kJ/mol
Cesium Metal
375.7 26130
5.5.2 2nd Energy Level
1,688.50 kJ/mol1,740.00 kJ/mol
Ruthenium Metal
710.2162 28750
5.5.3 3rd Energy Level
2,566.50 kJ/mol2,997.00 kJ/mol
Osmium Metal
1600 34230
5.5.4 4th Energy Level
3,598.90 kJ/molNA
Thorium Metal
2780 37066
5.5.5 5th Energy Level
4,727.80 kJ/molNA
Dubnium Metal
4305.2 97510
5.5.6 6th Energy Level
5,991.70 kJ/molNA
Seaborgium Metal
5715.8 105800
5.5.7 7th Energy level
7,226.80 kJ/molNA
Sodium
7226.8 114300
5.5.8 8th Energy Level
NANA
Hassium Metal
8857.4 125300
5.5.9 9th Energy Level
NANA
Yttrium Metal
14110 134700
5.5.10 10th Energy Level
NANA
Strontium Metal
17100 144300
5.5.11 11th Energy Level
NANA
Yttrium Metal
19900 169988
5.5.12 12th Energy Level
NANA
Molybdenum Metal
22219 189368
5.5.13 13th Energy Level
NANA
Molybdenum Metal
26930 76015
5.5.14 14th Energy Level
NANA
Molybdenum Metal
29196 86450
5.5.15 15th Energy Level
NANA
Manganese Metal
41987 97510
5.5.16 16th Energy Level
NANA
Iron Metal
47206 109480
5.5.17 17th Energy Level
NANA
Cobalt Metal
52737 122200
5.5.18 18th Energy Level
NANA
Nickel Metal
58570 134810
5.5.19 19th Energy Level
NANA
Copper Metal
64702 148700
5.5.20 20th Energy Level
NANA
Molybdenum Metal
80400 171200
5.5.21 21st Energy Level
NANA
Molybdenum Metal
87000 179100
5.5.22 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
5.5.23 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
5.5.24 24th Energy Level
NANA
Molybdenum Metal
104400 195200
5.5.25 25th Energy Level
NANA
Molybdenum Metal
121900 121900
5.5.26 26th Energy Level
NANA
Molybdenum Metal
127700 127700
5.5.27 27th Energy Level
NANA
Molybdenum Metal
133800 133800
5.5.28 28th Energy Level
NANA
Molybdenum Metal
139800 139800
5.5.29 29th Energy Level
NANA
Molybdenum Metal
148100 148100
5.5.30 30th Energy Level
NANA
Molybdenum Metal
154500 154500
5.6 Electrochemical Equivalent
NA1.28 g/amp-hr
Beryllium Metal
0.16812 8.3209
5.7 Electron Work Function
NA4.98 eV
Cesium Metal
2.14 5.65
5.8 Other Chemical Properties
Ionization, Radioactive Isotopes
Anti Corrosion, Ionization, Radioactive Isotopes
6 Atomic
6.1 Atomic Number
10745
Lithium Metal
3 117
6.2 Electron Configuration
[Rn] 5f14 6d5 7s2
[Kr] 4d8 5s1
6.3 Crystal Structure
Hexagonal Close Packed (HCP)
Face Centered Cubic (FCC)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
10745
Lithium Metal
3 117
6.4.2 Number of Neutrons
15558
Lithium Metal
4 184
6.4.3 Number of Electrons
10745
Lithium Metal
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
128.00 pm134.00 pm
Beryllium Metal
112 265
6.5.2 Covalent Radius
141.00 pm142.00 pm
Beryllium Metal
96 260
6.5.3 Van der Waals Radius
NA200.00 pm
Zinc Metal
139 348
6.6 Atomic Weight
270.00 amu102.91 amu
Lithium Metal
6.94 294
6.7 Atomic Volume
NA8.30 cm3/mol
Manganese Metal
1.39 71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
NA64.00 (-eV)
Francium Metal
8 392.42
6.10 Lattice Constant
NA380.34 pm
Beryllium Metal
228.58 891.25
6.11 Lattice Angles
NA
π/2, π/2, π/2
6.12 Lattice C/A Ratio
NANA
Beryllium Metal
1.567 1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
37.10 g/cm312.41 g/cm3
Lithium Metal
0.534 40.7
7.1.2 Density When Liquid (at m.p.)
NA10.70 g/cm3
Lithium Metal
0.512 20
7.2 Tensile Strength
NA951.00 MPa
Indium Metal
2.5 11000
7.3 Viscosity
NANA
Mercury Metal
0.001526 0.001526
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
NANA
Cerium Metal
2.47E-11 121
7.4.2 Vapor Pressure at 2000 K
NA0.02 (Pa)
Tungsten Metal
2.62E-10 774
7.5 Elasticity properties
7.5.1 Shear Modulus
NA150.00 GPa
Potassium Metal
1.3 222
7.5.2 Bulk Modulus
NA275.00 GPa
Cesium Metal
1.6 462
7.5.3 Young's Modulus
NA380.00 GPa
Cesium Metal
1.7 528
7.6 Poisson Ratio
NA0.26
Beryllium Metal
0.032 0.47
7.7 Other Mechanical Properties
Unknown
Malleable
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
NA12.41
Lithium Metal
0.53 4500
8.1.2 Magnetic Ordering
Unknown
Paramagnetic
8.1.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
8.1.4 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
8.2 Electrical Properties
8.2.1 Electrical Property
Unknown
Conductor
8.2.2 Resistivity
NA43.30 nΩ·m
Thallium Metal
0.18 961
8.2.3 Electrical Conductivity
NA0.21 106/cm Ω
Plutonium Metal
0.00666 0.63
8.2.4 Electron Affinity
NA109.70 kJ/mol
Mercury Metal
0 222.8
9 Thermal
9.1 Specific Heat
NA0.24 J/(kg K)
Americium Metal
0.11 3.6
9.2 Molar Heat Capacity
NA24.98 J/mol·K
Beryllium Metal
16.443 62.7
9.3 Thermal Conductivity
NA150.00 W/m·K
Neptunium Metal
6.3 429
9.4 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
9.5 Thermal Expansion
NA8.20 µm/(m·K)
Tungsten Metal
4.5 97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
NA495.40 kJ/mol
Zinc Metal
7.32 799.1
9.6.2 Enthalpy of Fusion
NA21.76 kJ/mol
Cesium Metal
2.1 35.23
9.6.3 Enthalpy of Atomization
NA556.50 kJ/mol
Mercury Metal
61.5 837
9.7 Standard Molar Entropy
NA31.50 J/mol.K
Beryllium Metal
9.5 198.1