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Seaborgium vs Hassium

Seaborgium
Hassium
Hassium vs Seaborgium


Periodic Table
Symbol
Sg  
Hs  
Group Number
6  
12
8  
10
Period Number
7  
7  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
54038812  
9
54037579  
11
Space Group Name
-  
-  
Space Group Number
166.00  
9
166.00  
9
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.
  
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
Sources
Synthetically Produced  
Synthetically Produced  
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory  
Gesellschaft für Schwerionenforschung  
Discovery
In 1974  
In 1984  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
40
Abundance In Sun
-  
-  
Abundance In Meteorites
-  
0.00 %  
99+
Abundance In Earth's Crust
-  
-  
Abundance In Oceans
-  
-  
Abundance In Humans
-  
-  
Uses
Uses & Benefits
  • Currently known uses of Seaborgium metal are limited to research purpose only.
  
  • Currently known uses of Hassium metal are limited to research purpose only.
  
Industrial Uses
-  
-  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Research Purposes  
Biological Properties
  
  
Toxicity
-  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
27
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
-  
-  
Boiling Point
0.00 °C  
99+
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silver  
Luster
Unknown Luster  
-  
Hardness
  
  
Mohs Hardness
6.00  
6
4.50  
10
Brinell Hardness
400.00 MPa  
34
230.00 MPa  
99+
Vickers Hardness
520.00 MPa  
33
2,450.00 MPa  
5
Speed of Sound
3,200.00 m/s  
35
2,760.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.30  
99+
1.30  
99+
Reflectivity
68.00 %  
15
69.00 %  
14
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Sg  
Hs  
Isotopes
  
  
Known Isotopes
9  
29
7  
31
Electronegativity
  
  
Pauling Electronegativity
0.00  
99+
2.20  
5
Sanderson Electronegativity
1.90  
13
1.30  
25
Allred Rochow Electronegativity
1.30  
25
1.30  
25
Mulliken-Jaffe Electronegativity
1.30  
33
1.30  
33
Allen Electronegativity
1.90  
8
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
2.00  
99+
Ionization Energies
  
  
1st Energy Level
757.40 kJ/mol  
21
733.30 kJ/mol  
26
2nd Energy Level
1,732.90 kJ/mol  
29
1,756.00 kJ/mol  
25
3rd Energy Level
2,483.50 kJ/mol  
99+
2,827.00 kJ/mol  
37
4th Energy Level
3,415.60 kJ/mol  
99+
3,637.50 kJ/mol  
99+
5th Energy Level
4,561.80 kJ/mol  
99+
4,940.00 kJ/mol  
99+
6th Energy Level
5,715.80 kJ/mol  
99+
6,175.10 kJ/mol  
99+
7th Energy level
5,700.00 kJ/mol  
99+
7,535.50 kJ/mol  
32
8th Energy Level
5,700.00 kJ/mol  
99+
8,857.40 kJ/mol  
21
9th Energy Level
5,710.00 kJ/mol  
99+
5,400.00 kJ/mol  
99+
10th Energy Level
6,270.00 kJ/mol  
99+
6,100.00 kJ/mol  
99+
11th Energy Level
6,600.00 kJ/mol  
39
6,100.00 kJ/mol  
99+
12th Energy Level
971.00 kJ/mol  
99+
3,500.00 kJ/mol  
99+
13th Energy Level
5,700.00 kJ/mol  
99+
4,200.00 kJ/mol  
99+
14th Energy Level
5,700.00 kJ/mol  
99+
1,124.00 kJ/mol  
99+
15th Energy Level
54,000.00 kJ/mol  
99+
68,200.00 kJ/mol  
31
16th Energy Level
64,000.00 kJ/mol  
27
32,800.00 kJ/mol  
99+
17th Energy Level
579.80 kJ/mol  
99+
1,089.00 kJ/mol  
22
18th Energy Level
3,300.00 kJ/mol  
99+
3,300.00 kJ/mol  
99+
19th Energy Level
579.80 kJ/mol  
99+
1,086.50 kJ/mol  
19
20th Energy Level
579.00 kJ/mol  
99+
880.00 kJ/mol  
14
21st Energy Level
6,270.00 kJ/mol  
14
1,086.00 kJ/mol  
30
22nd Energy Level
573.00 kJ/mol  
99+
350.00 kJ/mol  
99+
23rd Energy Level
5,790.00 kJ/mol  
22
1,120.00 kJ/mol  
34
24th Energy Level
971.00 kJ/mol  
4
540.90 kJ/mol  
99+
25th Energy Level
0.00 kJ/mol  
99+
610.00 kJ/mol  
99+
26th Energy Level
579.10 kJ/mol  
99+
587.40 kJ/mol  
99+
27th Energy Level
870.00 kJ/mol  
7
880.00 kJ/mol  
5
28th Energy Level
870.00 kJ/mol  
10
840.00 kJ/mol  
14
29th Energy Level
761.90 kJ/mol  
21
867.80 kJ/mol  
11
30th Energy Level
0.00 kJ/mol  
99+
0.00 kJ/mol  
99+
Electrochemical Equivalent
3.20 g/amp-hr  
14
3.00 g/amp-hr  
21
Electron Work Function
6.00 eV  
1
4.90 eV  
12
Other Chemical Properties
-  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
106  
12
108  
10
Electron Configuration
[Rn] 5f14 6d2 7s2  
[Rn] 5f14 6d6 7s2  
Crystal Structure
Body Centered Cubic (BCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
106  
12
108  
10
Number of Neutrons
157  
8
158  
7
Number of Electrons
106  
12
108  
10
Radius of an Atom
  
  
Atomic Radius
132.00 pm  
99+
126.00 pm  
99+
Covalent Radius
143.00 pm  
99+
134.00 pm  
99+
Van der Waals Radius
230.00 pm  
24
0.00 pm  
99+
Atomic Weight
269.00 amu  
9
269.00 amu  
9
Atomic Volume
35.00 cm3/mol  
8
22.70 cm3/mol  
18
Adjacent Atomic Numbers
  
  
Previous Element
Dubnium
  
Bohrium
  
Next Element
Bohrium
  
Meitnerium
  
Valence Electron Potential
6.10 (-eV)  
99+
0.00 (-eV)  
99+
Lattice Constant
-  
-  
Lattice Angles
-  
-  
Lattice C/A Ratio
1.36  
99+
1.31  
99+
Mechanical
Density
  
  
Density At Room Temperature
35.00 g/cm3  
4
40.70 g/cm3  
1
Density When Liquid (at m.p.)
35.00 g/cm3  
4
41.00 g/cm3  
1
Tensile Strength
30.00 MPa  
99+
80.00 MPa  
29
Viscosity
0.00  
25
0.00  
27
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
27
40.00 GPa  
19
Bulk Modulus
0.00 GPa  
99+
40.00 GPa  
38
Young's Modulus
12.60 GPa  
99+
40.00 GPa  
99+
Poisson Ratio
0.25  
24
0.34  
10
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
35.00  
6
41.00  
2
Magnetic Ordering
-  
-  
Permeability
0.00 H/m  
7
0.00 H/m  
8
Susceptibility
0.00  
24
0.00  
25
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
0.38 nΩ·m  
99+
41.00 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
63.20 kJ/mol  
19
Thermal
Specific Heat
0.27 J/(kg K)  
19
0.13 J/(kg K)  
99+
Molar Heat Capacity
35.00 J/mol·K  
5
25.92 J/mol·K  
99+
Thermal Conductivity
0.14 W/m·K  
99+
0.00 W/m·K  
99+
Critical Temperature
1,200.00 K  
99+
1,323.00 K  
99+
Thermal Expansion
11.00 µm/(m·K)  
99+
21.20 µm/(m·K)  
23
Enthalpy
  
  
Enthalpy of Vaporization
585.00 kJ/mol  
10
126.00 kJ/mol  
99+
Enthalpy of Fusion
-  
-  
Enthalpy of Atomization
650.00 kJ/mol  
8
-  
Standard Molar Entropy
42.70 J/mol.K  
99+
57.20 J/mol.K  
29
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