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Einsteinium vs Tennessine

Einsteinium
Tennessine
Tennessine vs Einsteinium


Periodic Table
Symbol
Es  
Ts  
Group Number
13  
5
17  
1
Period Number
7  
7  
Block
f block  
p block  
Element Family
Actinide  
Probably Post-​Transition  
CAS Number
7429927  
99+
54101143  
2
Space Group Name
-  
-  
Space Group Number
194.00  
7
166.00  
9
Facts
Interesting Facts
  • Einsteinium is the transuranic element found in US.
  • Only 0.01 mg of Einsteinium was synthesized in 1961.
  
Tennessine is a superheavy artificial element with a very short half-life.  
Sources
Made by Bombarding Uranium with Neutrons  
Synthetically Produced  
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory  
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Discovery
In 1952  
In 2010  
Abundance
  
  
Abundance In Universe
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 Einsteinium metal are limited to research purpose only.
  
  • Currently known uses of Ununseptium metal are limited to research purpose only.
  
Industrial Uses
-  
-  
Medical Uses
-  
-  
Other Uses
Alloys, Nuclear Research, Research Purposes  
Research Purposes  
Biological Properties
  
  
Toxicity
Toxic  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.01 Blood/mg dm-3  
25
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
860.00 °C  
99+
400.00 °C  
99+
Boiling Point
996.00 °C  
99+
610.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
-  
Luster
-  
Unknown Luster  
Hardness
  
  
Mohs Hardness
6.00  
6
-  
Brinell Hardness
240.00 MPa  
99+
700.00 MPa  
17
Vickers Hardness
550.00 MPa  
31
430.00 MPa  
39
Speed of Sound
2,850.00 m/s  
40
4,000.00 m/s  
24
Optical Properties
  
  
Refractive Index
1.30  
99+
1.90  
18
Reflectivity
63.00 %  
20
67.00 %  
16
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Es  
Ts  
Isotopes
  
  
Known Isotopes
16  
23
0  
35
Electronegativity
  
  
Pauling Electronegativity
1.54  
27
0.00  
99+
Sanderson Electronegativity
1.30  
25
1.90  
13
Allred Rochow Electronegativity
1.20  
28
1.90  
1
Mulliken-Jaffe Electronegativity
1.30  
33
2.00  
10
Allen Electronegativity
1.30  
40
2.10  
4
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.20  
39
Ionization Energies
  
  
1st Energy Level
619.00 kJ/mol  
99+
742.90 kJ/mol  
23
2nd Energy Level
1,216.00 kJ/mol  
99+
1,785.00 kJ/mol  
23
3rd Energy Level
2,334.00 kJ/mol  
99+
723.60 kJ/mol  
99+
4th Energy Level
3,734.00 kJ/mol  
99+
-  
5th Energy Level
6,190.00 kJ/mol  
40
-  
6th Energy Level
6,190.00 kJ/mol  
99+
11,000.00 kJ/mol  
11
7th Energy level
6,190.00 kJ/mol  
99+
6,500.00 kJ/mol  
99+
8th Energy Level
6,190.00 kJ/mol  
99+
7,000.00 kJ/mol  
38
9th Energy Level
4,520.00 kJ/mol  
99+
7,230.00 kJ/mol  
28
10th Energy Level
6,190.00 kJ/mol  
99+
6,100.00 kJ/mol  
99+
11th Energy Level
6,190.00 kJ/mol  
99+
6,700.00 kJ/mol  
38
12th Energy Level
61,900.00 kJ/mol  
12
883.00 kJ/mol  
99+
13th Energy Level
6,190.00 kJ/mol  
39
7,230.00 kJ/mol  
26
14th Energy Level
6,190.00 kJ/mol  
28
6,500.00 kJ/mol  
25
15th Energy Level
61,900.00 kJ/mol  
40
61,000.00 kJ/mol  
99+
16th Energy Level
61,900.00 kJ/mol  
30
65,000.00 kJ/mol  
26
17th Energy Level
619.00 kJ/mol  
99+
580.00 kJ/mol  
99+
18th Energy Level
6,190.00 kJ/mol  
99+
6,100.00 kJ/mol  
99+
19th Energy Level
619.00 kJ/mol  
99+
540.30 kJ/mol  
99+
20th Energy Level
619.00 kJ/mol  
99+
608.00 kJ/mol  
99+
21st Energy Level
6,190.00 kJ/mol  
15
5,780.00 kJ/mol  
22
22nd Energy Level
619.00 kJ/mol  
38
590.00 kJ/mol  
99+
23rd Energy Level
6,190.00 kJ/mol  
15
6,100.00 kJ/mol  
16
24th Energy Level
619.40 kJ/mol  
40
883.00 kJ/mol  
7
25th Energy Level
619.00 kJ/mol  
99+
578.00 kJ/mol  
99+
26th Energy Level
619.40 kJ/mol  
40
593.80 kJ/mol  
99+
27th Energy Level
619.40 kJ/mol  
99+
610.00 kJ/mol  
99+
28th Energy Level
619.40 kJ/mol  
99+
850.00 kJ/mol  
12
29th Energy Level
619.40 kJ/mol  
99+
0.00 kJ/mol  
99+
30th Energy Level
619.40 kJ/mol  
99+
0.00 kJ/mol  
99+
Electrochemical Equivalent
4.74 g/amp-hr  
5
3.50 g/amp-hr  
11
Electron Work Function
4.90 eV  
12
4.00 eV  
35
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Chemical Stability, Ionization  
Atomic
Atomic Number
99  
19
117  
1
Electron Configuration
[Rn] 5f11 7s2  
[Rn] 5f14 6d10 7s2 7p5  
Crystal Structure
Face Centered Cubic (FCC)  
Not Known  
Crystal Lattice
FCC-Crystal-Structure-of-Einsteinium.jpg#100  
Unknown-Crystal-Structure-of-Ununseptium.jpg#100  
Atom
  
  
Number of Protons
99  
19
117  
1
Number of Neutrons
153  
10
167  
3
Number of Electrons
99  
19
117  
1
Radius of an Atom
  
  
Atomic Radius
186.00 pm  
11
0.00 pm  
99+
Covalent Radius
186.00 pm  
21
0.00 pm  
99+
Van der Waals Radius
0.00 pm  
99+
220.00 pm  
28
Atomic Weight
252.00 amu  
16
294.00 amu  
1
Atomic Volume
17.04 cm3/mol  
99+
15.00 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Californium
  
No Previous Element  
Next Element
Fermium
  
Livermorium
  
Valence Electron Potential
0.00 (-eV)  
99+
2.20 (-eV)  
99+
Lattice Constant
582.00 pm  
8
330.25 pm  
99+
Lattice Angles
-  
-  
Lattice C/A Ratio
1.29  
99+
1.65  
12
Mechanical
Density
  
  
Density At Room Temperature
8.84 g/cm3  
99+
7.10 g/cm3  
99+
Density When Liquid (at m.p.)
8.84 g/cm3  
99+
7.20 g/cm3  
99+
Tensile Strength
0.10 MPa  
99+
80.00 MPa  
29
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
24
0.00 (Pa)  
99+
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
27
25.00 GPa  
38
Bulk Modulus
40.00 GPa  
38
0.00 GPa  
99+
Young's Modulus
0.00 GPa  
99+
12.40 GPa  
99+
Poisson Ratio
0.33  
11
0.34  
10
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
8.84  
99+
7.20  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
6.30 nΩ·m  
99+
0.10 nΩ·m  
99+
Electrical Conductivity
0.14 106/cm Ω  
15
-  
Electron Affinity
0.00 kJ/mol  
99+
50.00 kJ/mol  
26
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.14 J/(kg K)  
38
Molar Heat Capacity
27.20 J/mol·K  
24
27.20 J/mol·K  
24
Thermal Conductivity
0.00 W/m·K  
99+
0.20 W/m·K  
99+
Critical Temperature
1,133.00 K  
99+
700.00 K  
99+
Thermal Expansion
13.50 µm/(m·K)  
33
7.10 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
323.80 kJ/mol  
99+
550.00 kJ/mol  
14
Enthalpy of Fusion
14.80 kJ/mol  
24
-  
Enthalpy of Atomization
-  
590.00 kJ/mol  
13
Standard Molar Entropy
63.00 J/mol.K  
24
50.00 J/mol.K  
99+
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