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Rutherfordium
Rutherfordium

Bohrium
Bohrium



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Rutherfordium
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Bohrium

Rutherfordium Bohrium Comparison

1 Periodic Table
1.1 Symbol
Rf
Bh
1.2 Group Number
47
Gadolinium Metal
0 17
1.3 Period Number
77
Lithium Metal
2 7
1.4 Block
d block
d block
1.5 Element Family
Transition Metal
Transition Metal
1.6 CAS Number
5385036554037148
Aluminium Metal
7429905 54386242
1.7 Space Group Name
Not Available
Not Available
1.8 Space Group Number
NANA
Plutonium Metal
11 229
2 Facts
2.1 Interesting Facts
  • Rutherfordium does not occur in nature as it is a synthetic element.
  • Till date Rutherfordium metal has 15 radioisotopes created synthetically.
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
2.2 Sources
Bombarding Plutonium with Accelerated 113 to 115 MeV Neon Ions, Synthetically Produced
Found in Minerals, Mining, Synthetically Produced
2.3 History
2.3.1 Who Discovered
Joint Institute for Nuclear Research
Gesellschaft für Schwerionenforschung
2.3.2 Discovery
In 1964
In 1981
2.4 Abundance
2.4.1 Abundance In Universe
NANA
Thallium Metal
5E-09 0.11
2.4.2 Abundance In Sun
~-9999 %~-9999 %
Beryllium Metal
1E-08 0.1
2.4.3 Abundance In Meteorites
NANA
Gold Metal
1.7E-07 22
2.4.4 Abundance In Earth's Crust
NANA
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 Rutherfordium metal are limited to research purpose only.
  • Currently known uses of Bohrium metal are limited to research purpose only.
3.1.1 Industrial Uses
NA
NA
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
Alloys, Research Purposes
Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
Unknown
Unknown
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
Plutonium Metal
0 1970
3.2.4 In Bone
0.00 p.p.m.0.00 p.p.m.
Plutonium Metal
0 170000
4 Physical
4.1 Melting Point
2,100.00 °CNA
Francium Metal
27 3410
4.2 Boiling Point
5,500.00 °CNA
Flerovium Metal
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Unknown
Unknown
4.3.3 Luster
Unknown Luster
Unknown Luster
4.4 Hardness
4.4.1 Mohs Hardness
NANA
Cesium Metal
0.2 8.5
4.4.2 Brinell Hardness
NANA
Cesium Metal
0.14 3490
4.4.3 Vickers Hardness
NANA
Palladium Metal
121 3430
4.5 Speed of Sound
NANA
Thallium Metal
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
4.6.2 Reflectivity
NANA
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
Rf
Bh
5.2 Isotopes
5.2.1 Known Isotopes
135
Tennessine Metal
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
NANA
Francium Metal
0.7 2.54
5.3.2 Sanderson Electronegativity
NANA
Cesium Metal
0.22 2.56
5.3.3 Allred Rochow Electronegativity
NANA
Cesium Metal
0.86 1.82
5.3.4 Mulliken-Jaffe Electronegativity
NANA
Cesium Metal
0.62 2.48
5.3.5 Allen Electronegativity
NANA
Cesium Metal
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
NANA
Gold Metal
1.46 3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
579.90 kJ/mol742.90 kJ/mol
Cesium Metal
375.7 26130
5.5.2 2nd Energy Level
1,389.40 kJ/mol1,688.50 kJ/mol
Ruthenium Metal
710.2162 28750
5.5.3 3rd Energy Level
2,296.40 kJ/mol2,566.50 kJ/mol
Osmium Metal
1600 34230
5.5.4 4th Energy Level
3,077.90 kJ/mol3,598.90 kJ/mol
Thorium Metal
2780 37066
5.5.5 5th Energy Level
NA4,727.80 kJ/mol
Dubnium Metal
4305.2 97510
5.5.6 6th Energy Level
NA5,991.70 kJ/mol
Seaborgium Metal
5715.8 105800
5.5.7 7th Energy level
NA7,226.80 kJ/mol
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
NANA
Beryllium Metal
0.16812 8.3209
5.7 Electron Work Function
NANA
Cesium Metal
2.14 5.65
5.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes
6 Atomic
6.1 Atomic Number
104107
Lithium Metal
3 117
6.2 Electron Configuration
[Rn] 5f14 6d2 7s2
[Rn] 5f14 6d5 7s2
6.3 Crystal Structure
Hexagonal Close Packed (HCP)
Hexagonal Close Packed (HCP)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
104107
Lithium Metal
3 117
6.4.2 Number of Neutrons
157155
Lithium Metal
4 184
6.4.3 Number of Electrons
104107
Lithium Metal
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
150.00 pm128.00 pm
Beryllium Metal
112 265
6.5.2 Covalent Radius
157.00 pm141.00 pm
Beryllium Metal
96 260
6.5.3 Van der Waals Radius
NANA
Zinc Metal
139 348
6.6 Atomic Weight
267.00 amu270.00 amu
Lithium Metal
6.94 294
6.7 Atomic Volume
NANA
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
NANA
Francium Metal
8 392.42
6.10 Lattice Constant
NANA
Beryllium Metal
228.58 891.25
6.11 Lattice Angles
NA
NA
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
23.20 g/cm337.10 g/cm3
Lithium Metal
0.534 40.7
7.1.2 Density When Liquid (at m.p.)
NANA
Lithium Metal
0.512 20
7.2 Tensile Strength
NANA
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
NANA
Tungsten Metal
2.62E-10 774
7.5 Elasticity properties
7.5.1 Shear Modulus
NANA
Potassium Metal
1.3 222
7.5.2 Bulk Modulus
NANA
Cesium Metal
1.6 462
7.5.3 Young's Modulus
NANA
Cesium Metal
1.7 528
7.6 Poisson Ratio
NANA
Beryllium Metal
0.032 0.47
7.7 Other Mechanical Properties
Unknown
Unknown
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
NANA
Lithium Metal
0.53 4500
8.1.2 Magnetic Ordering
Unknown
Unknown
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
Unknown
8.2.2 Resistivity
NANA
Thallium Metal
0.18 961
8.2.3 Electrical Conductivity
NANA
Plutonium Metal
0.00666 0.63
8.2.4 Electron Affinity
NANA
Mercury Metal
0 222.8
9 Thermal
9.1 Specific Heat
NANA
Americium Metal
0.11 3.6
9.2 Molar Heat Capacity
NANA
Beryllium Metal
16.443 62.7
9.3 Thermal Conductivity
NANA
Neptunium Metal
6.3 429
9.4 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
9.5 Thermal Expansion
NANA
Tungsten Metal
4.5 97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
NANA
Zinc Metal
7.32 799.1
9.6.2 Enthalpy of Fusion
NANA
Cesium Metal
2.1 35.23
9.6.3 Enthalpy of Atomization
NANA
Mercury Metal
61.5 837
9.7 Standard Molar Entropy
NANA
Beryllium Metal
9.5 198.1