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Rutherfordium
Rutherfordium

Seaborgium
Seaborgium



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Rutherfordium
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Rutherfordium vs Seaborgium

1 Periodic Table
1.1 Symbol
Rf
Sg
1.2 Group Number
46
Gadolinium
0 17
1.4 Period Number
77
Lithium
2 7
1.5 Block
d block
d block
1.6 Element Family
Transition Metal
Transition Metal
1.7 CAS Number
5385036554038812
Aluminium
7429905 54386242
1.9 Space Group Name
Not Available
Not Available
1.10 Space Group Number
NANA
Plutonium
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.
  • Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
  • And other isotopes of Seaborgium have half-lives as short as 3 ms.
2.2 Sources
Bombarding Plutonium with Accelerated 113 to 115 MeV Neon Ions, Synthetically Produced
Synthetically Produced
2.3 History
2.3.1 Who Discovered
Joint Institute for Nuclear Research
Lawrence Berkeley National Laboratory
2.3.2 Discovery
In 1964
In 1974
2.4 Abundance
2.4.1 Abundance In Universe
NANA
Thallium
5E-09 0.11
2.4.2 Abundance In Sun
~-9999 %~-9999 %
Beryllium
1E-08 0.1
2.6.1 Abundance In Meteorites
NANA
Gold
1.7E-07 22
2.7.1 Abundance In Earth's Crust
NANA
Radium
9.9E-12 8.1
2.9.1 Abundance In Oceans
NANA
Protactinium
2E-23 1.1
3.1.2 Abundance In Humans
NANA
Radium
1E-13 1.4
4 Uses
4.1 Uses & Benefits
  • Currently known uses of Rutherfordium metal are limited to research purpose only.
  • Currently known uses of Seaborgium metal are limited to research purpose only.
4.1.1 Industrial Uses
NA
NA
4.1.2 Medical Uses
NA
NA
4.1.3 Other Uses
Alloys, Research Purposes
Research Purposes
4.2 Biological Properties
4.2.1 Toxicity
Unknown
Unknown
4.2.2 Present in Human Body
4.2.3 In Blood
0.00 Blood/mg dm-3NA
Plutonium
0 1970
4.2.4 In Bone
0.00 p.p.m.NA
Plutonium
0 170000
5 Physical
5.1 Melting Point
2,100.00 °CNA
Francium
27 3410
5.3 Boiling Point
5,500.00 °CNA
Flerovium
147 5660
5.4 Appearance
5.4.1 Physical State
Solid
Solid
5.4.2 Color
Unknown
Unknown
5.4.3 Luster
Unknown Luster
Unknown Luster
5.5 Hardness
5.5.1 Mohs Hardness
NANA
Cesium
0.2 8.5
5.6.2 Brinell Hardness
NANA
Cesium
0.14 3490
5.6.4 Vickers Hardness
NANA
Palladium
121 3430
5.7 Speed of Sound
NANA
Thallium
818 16200
5.9 Optical Properties
5.9.1 Refractive Index
NANA
Mercury
1.000933 1.7229
5.9.2 Reflectivity
NANA
Molybdenum
58 97
6.2 Allotropes
6.2.1 α Allotropes
Not Available
Not Available
6.2.2 β Allotropes
Not Available
Not Available
6.2.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
Rf
Sg
7.2 Isotopes
7.2.1 Known Isotopes
139
Tennessine
0 38
7.3 Electronegativity
7.3.1 Pauling Electronegativity
NANA
Francium
0.7 2.54
7.3.3 Sanderson Electronegativity
NANA
Cesium
0.22 2.56
7.4.3 Allred Rochow Electronegativity
NANA
Cesium
0.86 1.82
7.4.5 Mulliken-Jaffe Electronegativity
NANA
Cesium
0.62 2.48
7.4.6 Allen Electronegativity
NANA
Cesium
0.659 2.7
7.5 Electropositivity
7.5.1 Pauling Electropositivity
NANA
Gold
1.46 3.3
8.2 Ionization Energies
8.2.1 1st Energy Level
579.90 kJ/mol757.40 kJ/mol
Cesium
375.7 26130
8.2.2 2nd Energy Level
1,389.40 kJ/mol1,732.90 kJ/mol
Ruthenium
710.2162 28750
8.3.1 3rd Energy Level
2,296.40 kJ/mol2,483.50 kJ/mol
Osmium
1600 34230
8.4.1 4th Energy Level
3,077.90 kJ/mol3,415.60 kJ/mol
Thorium
2780 37066
8.4.2 5th Energy Level
NA4,561.80 kJ/mol
Dubnium
4305.2 97510
8.5.1 6th Energy Level
NA5,715.80 kJ/mol
Sodium
5715.8 105800
8.6.1 7th Energy level
NANA
Bohrium
7226.8 114300
8.6.2 8th Energy Level
NANA
Hassium
8857.4 125300
8.7.2 9th Energy Level
NANA
Yttrium
14110 134700
8.7.3 10th Energy Level
NANA
Strontium
17100 144300
8.7.5 11th Energy Level
NANA
Yttrium
19900 169988
8.7.7 12th Energy Level
NANA
Molybdenum
22219 189368
8.7.8 13th Energy Level
NANA
Molybdenum
26930 76015
8.8.1 14th Energy Level
NANA
Molybdenum
29196 86450
8.8.2 15th Energy Level
NANA
Manganese
41987 97510
8.8.3 16th Energy Level
NANA
Iron
47206 109480
8.8.4 17th Energy Level
NANA
Cobalt
52737 122200
8.8.5 18th Energy Level
NANA
Nickel
58570 134810
8.8.6 19th Energy Level
NANA
Copper
64702 148700
8.8.7 20th Energy Level
NANA
Molybdenum
80400 171200
8.8.8 21st Energy Level
NANA
Molybdenum
87000 179100
8.8.9 22nd Energy Level
NANA
Molybdenum
93400 184900
8.8.10 23rd Energy Level
NANA
Molybdenum
98420 198800
8.8.11 24th Energy Level
NANA
Molybdenum
104400 195200
8.8.12 25th Energy Level
NANA
Molybdenum
121900 121900
8.8.13 26th Energy Level
NANA
Molybdenum
127700 127700
8.8.14 27th Energy Level
NANA
Molybdenum
133800 133800
8.8.15 28th Energy Level
NANA
Molybdenum
139800 139800
8.8.16 29th Energy Level
NANA
Molybdenum
148100 148100
8.8.17 30th Energy Level
NANA
Molybdenum
154500 154500
8.9 Electrochemical Equivalent
NANA
Beryllium
0.16812 8.3209
8.10 Electron Work Function
NANA
Cesium
2.14 5.65
8.11 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
NA
9 Atomic
9.1 Atomic Number
104106
Lithium
3 117
9.2 Electron Configuration
[Rn] 5f14 6d2 7s2
[Rn] 5f14 6d2 7s2
9.3 Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
9.3.1 Crystal Lattice
9.4 Atom
9.4.1 Number of Protons
104106
Lithium
3 117
9.4.2 Number of Neutrons
157157
Lithium
4 184
9.4.3 Number of Electrons
104106
Lithium
3 117
9.5 Radius of an Atom
9.5.1 Atomic Radius
150.00 pm132.00 pm
Beryllium
112 265
9.5.2 Covalent Radius
157.00 pm143.00 pm
Beryllium
96 260
9.5.3 Van der Waals Radius
NANA
Zinc
139 348
9.6 Atomic Weight
267.00 amu269.00 amu
Lithium
6.94 294
9.7 Atomic Volume
NANA
Manganese
1.39 71.07
9.8 Adjacent Atomic Numbers
9.8.1 Previous Element
9.8.2 Next Element
9.9 Valence Electron Potential
NANA
Francium
8 392.42
9.10 Lattice Constant
NANA
Beryllium
228.58 891.25
9.11 Lattice Angles
NA
Unknown
9.12 Lattice C/A Ratio
NANA
Beryllium
1.567 1.886
10 Mechanical
10.1 Density
10.1.1 Density At Room Temperature
23.20 g/cm335.00 g/cm3
Lithium
0.534 40.7
10.1.2 Density When Liquid (at m.p.)
NANA
Lithium
0.512 20
10.2 Tensile Strength
NANA
Indium
2.5 11000
10.3 Viscosity
NANA
Mercury
0.001526 0.001526
10.4 Vapor Pressure
10.4.1 Vapor Pressure at 1000 K
NANA
Cerium
2.47E-11 121
10.4.2 Vapor Pressure at 2000 K
NANA
Tungsten
2.62E-10 774
10.5 Elasticity properties
10.5.1 Shear Modulus
NANA
Potassium
1.3 222
10.5.2 Bulk Modulus
NANA
Cesium
1.6 462
10.5.3 Young's Modulus
NANA
Cesium
1.7 528
10.6 Poisson Ratio
NANA
Beryllium
0.032 0.47
10.7 Other Mechanical Properties
Unknown
Unknown
11 Magnetic
11.1 Magnetic Characteristics
11.1.1 Specific Gravity
NANA
Lithium
0.53 4500
11.1.2 Magnetic Ordering
Unknown
Unknown
11.1.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
11.1.4 Susceptibility
NANA
Bismuth
-0.000166 200000
11.2 Electrical Properties
11.2.1 Electrical Property
Unknown
Unknown
11.2.2 Resistivity
NANA
Thallium
0.18 961
11.2.3 Electrical Conductivity
NANA
Plutonium
0.00666 0.63
11.2.4 Electron Affinity
NANA
Mercury
0 222.8
12 Thermal
12.1 Specific Heat
NANA
Americium
0.11 3.6
12.2 Molar Heat Capacity
NANA
Beryllium
16.443 62.7
12.3 Thermal Conductivity
NANA
Neptunium
6.3 429
12.4 Critical Temperature
NANA
Ytterbium
26.3 3223
12.5 Thermal Expansion
NANA
Tungsten
4.5 97
12.6 Enthalpy
12.6.1 Enthalpy of Vaporization
NANA
Zinc
7.32 799.1
12.6.2 Enthalpy of Fusion
NANA
Cesium
2.1 35.23
12.6.3 Enthalpy of Atomization
NANA
Mercury
61.5 837
12.7 Standard Molar Entropy
NANA
Beryllium
9.5 198.1