Seaborgium vs Darmstadtium
Periodic Table
Symbol
Sg
Ds
Group Number
6
12
10
8
Period Number
7
7
Block
d block
d block
Element Family
Transition Metal
Probably Transition
CAS Number
54038812
9
54083771
8
Space Group Name
Not Available
Not Available
Space Group Number
Not Available
Not Available
Facts
Interesting Facts
- 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.
Not Available
Sources
Synthetically Produced
Synthetically Produced
History
Who Discovered
Lawrence Berkeley National Laboratory
Gesellschaft für Schwerionenforschung
Discovery
In 1974
In 1994
Abundance
Uses
Uses & Benefits
- Currently known uses of Seaborgium metal are limited to research purpose only.
- Currently known uses of Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.
Industrial Uses
NA
NA
Medical Uses
NA
NA
Other Uses
Research Purposes
Research Purposes
Biological Properties
Present in Human Body
No
No
In Blood
Not Available
0.00 Blood/mg dm-3
37
In Bone
Not Available
0.00 p.p.m.
36
Physical Properties
Melting Point
Not Available
Not Available
Boiling Point
Not Available
Not Available
Appearance
Physical State
Solid
Solid
Luster
Unknown Luster
Unknown Luster
Hardness
Speed of Sound
Not Available
5,090.00 m/s
9
Optical Properties
Allotropes
No
No
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available
Chemical Properties
Chemical Formula
Sg
Ds
Isotopes
Known Isotopes
9
29
9
29
Electronegativity
Electropositivity
Ionization Energies
1st Energy Level
757.40 kJ/mol
21
955.20 kJ/mol
5
2nd Energy Level
1,732.90 kJ/mol
28
1,891.10 kJ/mol
16
3rd Energy Level
2,483.50 kJ/mol
99+
3,029.60 kJ/mol
25
4th Energy Level
3,415.60 kJ/mol
99+
3,955.90 kJ/mol
40
5th Energy Level
4,561.80 kJ/mol
38
5,113.70 kJ/mol
33
6th Energy Level
5,715.80 kJ/mol
25
Not Available
Electrochemical Equivalent
Not Available
Not Available
Electron Work Function
Not Available
Not Available
Other Chemical Properties
NA
Ionization, Radioactive Isotopes, Radioactivity
Atomic Properties
Atomic Number
106
12
110
8
Electron Configuration
[Rn] 5f14 6d2 7s2
[Rn] 5f14 6d8 7s2
Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
BCC-Crystal-Structure-.jpg#100
Atom
Number of Protons
106
12
110
8
Number of Neutrons
157
7
161
3
Number of Electrons
106
12
110
8
Radius of an Atom
Atomic Radius
132.00 pm
99+
132.00 pm
99+
Covalent Radius
143.00 pm
99+
128.00 pm
99+
Atomic Weight
269.00 amu
9
281.00 amu
6
Atomic Volume
Not Available
Not Available
Adjacent Atomic Numbers
Valence Electron Potential
Not Available
Not Available
Lattice Constant
Not Available
Not Available
Lattice Angles
Unknown
NA
Lattice C/A Ratio
Not Available
Not Available
Mechanical Properties
Density
Density At Room Temperature
35.00 g/cm3
4
Not Available
Tensile Strength
Not Available
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure
Elasticity properties
Poisson Ratio
Not Available
Not Available
Other Mechanical Properties
Unknown
Unknown
Magnetic Properties
Magnetic Characteristics
Electrical Properties
Thermal Properties
Specific Heat
Not Available
Not Available
Molar Heat Capacity
Not Available
Not Available
Thermal Conductivity
Not Available
Not Available
Critical Temperature
Not Available
Not Available
Thermal Expansion
Not Available
Not Available
Enthalpy
Standard Molar Entropy
Not Available
Not Available
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