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Meitnerium
Meitnerium

Seaborgium
Seaborgium



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Meitnerium
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Seaborgium

Meitnerium Seaborgium Comparison

1 Periodic Table
1.1 Symbol
Mt
Sg
1.2 Group Number
96
Gadolinium Metal
0 17
1.3 Period Number
77
Lithium Metal
2 7
1.4 Block
d block
d block
1.5 Element Family
Probably Transition
Transition Metal
1.6 CAS Number
5403801654038812
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
Not Available
  • 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 Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced
Synthetically Produced
2.3 History
2.3.1 Who Discovered
Gesellschaft für Schwerionenforschung
Lawrence Berkeley National Laboratory
2.3.2 Discovery
In 1982
In 1974
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 Meitnerium metal are limited to research purpose only.
  • Currently known uses of Seaborgium 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
NA
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-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
NANA
Francium Metal
27 3410
4.2 Boiling Point
NANA
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
Mt
Sg
5.2 Isotopes
5.2.1 Known Isotopes
49
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
800.80 kJ/mol757.40 kJ/mol
Cesium Metal
375.7 26130
5.5.2 2nd Energy Level
1,823.60 kJ/mol1,732.90 kJ/mol
Ruthenium Metal
710.2162 28750
5.5.3 3rd Energy Level
2,904.20 kJ/mol2,483.50 kJ/mol
Osmium Metal
1600 34230
5.5.4 4th Energy Level
3,859.40 kJ/mol3,415.60 kJ/mol
Thorium Metal
2780 37066
5.5.5 5th Energy Level
4,920.80 kJ/mol4,561.80 kJ/mol
Dubnium Metal
4305.2 97510
5.5.6 6th Energy Level
NA5,715.80 kJ/mol
Sodium
5715.8 105800
5.5.7 7th Energy level
NANA
Bohrium Metal
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
NA
6 Atomic
6.1 Atomic Number
109106
Lithium Metal
3 117
6.2 Electron Configuration
[Rn] 5f14 6d7 7s2
[Rn] 5f14 6d2 7s2
6.3 Crystal Structure
Face Centered Cubic (FCC)
Body Centered Cubic (BCC)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
109106
Lithium Metal
3 117
6.4.2 Number of Neutrons
157157
Lithium Metal
4 184
6.4.3 Number of Electrons
109106
Lithium Metal
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
122.00 pm132.00 pm
Beryllium Metal
112 265
6.5.2 Covalent Radius
129.00 pm143.00 pm
Beryllium Metal
96 260
6.5.3 Van der Waals Radius
NANA
Zinc Metal
139 348
6.6 Atomic Weight
278.00 amu269.00 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
Unknown
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
37.40 g/cm335.00 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
NA
Unknown
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
NANA
Lithium Metal
0.53 4500
8.1.2 Magnetic Ordering
Paramagnetic
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