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Seaborgium Einsteinium Comparison

Seaborgium
Einsteinium
Einsteinium Seaborgium comparison


Periodic Table
Symbol
Sg  
Es  
Group Number
6  
12
13  
5
Period Number
7  
7  
Block
d block  
f block  
Element Family
Transition Metal  
Actinide  
CAS Number
54038812  
9
7429927  
99+
Space Group Name
-  
-  
Space Group Number
166.00  
9
194.00  
7
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.
  
  • Einsteinium is the transuranic element found in US.
  • Only 0.01 mg of Einsteinium was synthesized in 1961.
  
Sources
Synthetically Produced  
Made by Bombarding Uranium with Neutrons  
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory  
Lawrence Berkeley National Laboratory  
Discovery
In 1974  
In 1952  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
35
Abundance In Sun
-  
0.00 %  
30
Abundance In Meteorites
-  
0.00 %  
99+
Abundance In Earth's Crust
-  
0.00 %  
99+
Abundance In Oceans
-  
-  
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Seaborgium metal are limited to research purpose only.
  
  • Currently known uses of Einsteinium metal are limited to research purpose only.
  
Industrial Uses
-  
-  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Alloys, Nuclear Research, Research Purposes  
Biological Properties
  
  
Toxicity
-  
Toxic  
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
-  
860.00 °C  
99+
Boiling Point
0.00 °C  
99+
996.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silver  
Luster
Unknown Luster  
-  
Hardness
  
  
Mohs Hardness
6.00  
6
6.00  
6
Brinell Hardness
400.00 MPa  
34
240.00 MPa  
99+
Vickers Hardness
520.00 MPa  
33
550.00 MPa  
31
Speed of Sound
3,200.00 m/s  
35
2,850.00 m/s  
40
Optical Properties
  
  
Refractive Index
1.30  
99+
1.30  
99+
Reflectivity
68.00 %  
15
63.00 %  
20
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Sg  
Es  
Isotopes
  
  
Known Isotopes
9  
29
16  
23
Electronegativity
  
  
Pauling Electronegativity
0.00  
99+
1.54  
27
Sanderson Electronegativity
1.90  
13
1.30  
25
Allred Rochow Electronegativity
1.30  
25
1.20  
28
Mulliken-Jaffe Electronegativity
1.30  
33
1.30  
33
Allen Electronegativity
1.90  
8
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
2.70  
22
Ionization Energies
  
  
1st Energy Level
757.40 kJ/mol  
21
619.00 kJ/mol  
99+
2nd Energy Level
1,732.90 kJ/mol  
29
1,216.00 kJ/mol  
99+
3rd Energy Level
2,483.50 kJ/mol  
99+
2,334.00 kJ/mol  
99+
4th Energy Level
3,415.60 kJ/mol  
99+
3,734.00 kJ/mol  
99+
5th Energy Level
4,561.80 kJ/mol  
99+
6,190.00 kJ/mol  
40
6th Energy Level
5,715.80 kJ/mol  
99+
6,190.00 kJ/mol  
99+
7th Energy level
5,700.00 kJ/mol  
99+
6,190.00 kJ/mol  
99+
8th Energy Level
5,700.00 kJ/mol  
99+
6,190.00 kJ/mol  
99+
9th Energy Level
5,710.00 kJ/mol  
99+
4,520.00 kJ/mol  
99+
10th Energy Level
6,270.00 kJ/mol  
99+
6,190.00 kJ/mol  
99+
11th Energy Level
6,600.00 kJ/mol  
39
6,190.00 kJ/mol  
99+
12th Energy Level
971.00 kJ/mol  
99+
61,900.00 kJ/mol  
12
13th Energy Level
5,700.00 kJ/mol  
99+
6,190.00 kJ/mol  
39
14th Energy Level
5,700.00 kJ/mol  
99+
6,190.00 kJ/mol  
28
15th Energy Level
54,000.00 kJ/mol  
99+
61,900.00 kJ/mol  
40
16th Energy Level
64,000.00 kJ/mol  
27
61,900.00 kJ/mol  
30
17th Energy Level
579.80 kJ/mol  
99+
619.00 kJ/mol  
99+
18th Energy Level
3,300.00 kJ/mol  
99+
6,190.00 kJ/mol  
99+
19th Energy Level
579.80 kJ/mol  
99+
619.00 kJ/mol  
99+
20th Energy Level
579.00 kJ/mol  
99+
619.00 kJ/mol  
99+
21st Energy Level
6,270.00 kJ/mol  
14
6,190.00 kJ/mol  
15
22nd Energy Level
573.00 kJ/mol  
99+
619.00 kJ/mol  
38
23rd Energy Level
5,790.00 kJ/mol  
22
6,190.00 kJ/mol  
15
24th Energy Level
971.00 kJ/mol  
4
619.40 kJ/mol  
40
25th Energy Level
0.00 kJ/mol  
99+
619.00 kJ/mol  
99+
26th Energy Level
579.10 kJ/mol  
99+
619.40 kJ/mol  
40
27th Energy Level
870.00 kJ/mol  
7
619.40 kJ/mol  
99+
28th Energy Level
870.00 kJ/mol  
10
619.40 kJ/mol  
99+
29th Energy Level
761.90 kJ/mol  
21
619.40 kJ/mol  
99+
30th Energy Level
0.00 kJ/mol  
99+
619.40 kJ/mol  
99+
Electrochemical Equivalent
3.20 g/amp-hr  
14
4.74 g/amp-hr  
5
Electron Work Function
6.00 eV  
1
4.90 eV  
12
Other Chemical Properties
-  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
106  
12
99  
19
Electron Configuration
[Rn] 5f14 6d2 7s2  
[Rn] 5f11 7s2  
Crystal Structure
Body Centered Cubic (BCC)  
Face Centered Cubic (FCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
FCC-Crystal-Structure-of-Einsteinium.jpg#100  
Atom
  
  
Number of Protons
106  
12
99  
19
Number of Neutrons
157  
8
153  
10
Number of Electrons
106  
12
99  
19
Radius of an Atom
  
  
Atomic Radius
132.00 pm  
99+
186.00 pm  
11
Covalent Radius
143.00 pm  
99+
186.00 pm  
21
Van der Waals Radius
230.00 pm  
24
0.00 pm  
99+
Atomic Weight
269.00 amu  
9
252.00 amu  
16
Atomic Volume
35.00 cm3/mol  
8
17.04 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Dubnium
  
Californium
  
Next Element
Bohrium
  
Fermium
  
Valence Electron Potential
6.10 (-eV)  
99+
0.00 (-eV)  
99+
Lattice Constant
-  
582.00 pm  
8
Lattice Angles
-  
-  
Lattice C/A Ratio
1.36  
99+
1.29  
99+
Mechanical
Density
  
  
Density At Room Temperature
35.00 g/cm3  
4
8.84 g/cm3  
99+
Density When Liquid (at m.p.)
35.00 g/cm3  
4
8.84 g/cm3  
99+
Tensile Strength
30.00 MPa  
99+
0.10 MPa  
99+
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
22
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.00 (Pa)  
24
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
27
30.00 GPa  
27
Bulk Modulus
0.00 GPa  
99+
40.00 GPa  
38
Young's Modulus
12.60 GPa  
99+
0.00 GPa  
99+
Poisson Ratio
0.25  
24
0.33  
11
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
35.00  
6
8.84  
99+
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
7
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
0.38 nΩ·m  
99+
6.30 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.14 106/cm Ω  
15
Electron Affinity
50.00 kJ/mol  
26
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.27 J/(kg K)  
19
0.10 J/(kg K)  
99+
Molar Heat Capacity
35.00 J/mol·K  
5
27.20 J/mol·K  
24
Thermal Conductivity
0.14 W/m·K  
99+
0.00 W/m·K  
99+
Critical Temperature
1,200.00 K  
99+
1,133.00 K  
99+
Thermal Expansion
11.00 µm/(m·K)  
99+
13.50 µm/(m·K)  
33
Enthalpy
  
  
Enthalpy of Vaporization
585.00 kJ/mol  
10
323.80 kJ/mol  
99+
Enthalpy of Fusion
-  
14.80 kJ/mol  
24
Enthalpy of Atomization
650.00 kJ/mol  
8
-  
Standard Molar Entropy
42.70 J/mol.K  
99+
63.00 J/mol.K  
24
Summary >>
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