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Tennessine vs Dubnium

Tennessine
Dubnium
Dubnium vs Tennessine


Periodic Table
Symbol
Ts  
Db  
Group Number
17  
1
5  
13
Period Number
7  
7  
Block
p block  
d block  
Element Family
Probably Post-​Transition  
Transition Metal  
CAS Number
54101143  
2
53850354  
14
Space Group Name
-  
-  
Space Group Number
166.00  
9
166.00  
9
Facts
Interesting Facts
Tennessine is a superheavy artificial element with a very short half-life.  
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.
  
Sources
Synthetically Produced  
Produced by Bombarding Am243 with Ne22, Synthetically Produced  
History
  
  
Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Joint Institute for Nuclear Research  
Discovery
In 2010  
In 1968  
Abundance
  
  
Abundance In Universe
-  
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 Ununseptium metal are limited to research purpose only.
  
  • Currently known uses of Dubnium 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
0.01 Blood/mg dm-3  
25
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
400.00 °C  
99+
-  
Boiling Point
610.00 °C  
99+
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
-  
Luster
Unknown Luster  
Unknown Luster  
Hardness
  
  
Mohs Hardness
-  
6.00  
6
Brinell Hardness
700.00 MPa  
17
330.00 MPa  
38
Vickers Hardness
430.00 MPa  
39
400.00 MPa  
99+
Speed of Sound
4,000.00 m/s  
24
2,680.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.90  
18
1.20  
99+
Reflectivity
67.00 %  
16
55.00 %  
27
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ts  
Db  
Isotopes
  
  
Known Isotopes
0  
35
10  
28
Electronegativity
  
  
Pauling Electronegativity
0.00  
99+
2.20  
5
Sanderson Electronegativity
1.90  
13
1.30  
25
Allred Rochow Electronegativity
1.90  
1
1.30  
25
Mulliken-Jaffe Electronegativity
2.00  
10
1.10  
99+
Allen Electronegativity
2.10  
4
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
2.00  
99+
Ionization Energies
  
  
1st Energy Level
742.90 kJ/mol  
23
664.80 kJ/mol  
38
2nd Energy Level
1,785.00 kJ/mol  
23
1,546.70 kJ/mol  
39
3rd Energy Level
723.60 kJ/mol  
99+
2,378.40 kJ/mol  
99+
4th Energy Level
-  
3,298.80 kJ/mol  
99+
5th Energy Level
-  
4,305.20 kJ/mol  
99+
6th Energy Level
11,000.00 kJ/mol  
11
12,900.00 kJ/mol  
5
7th Energy level
6,500.00 kJ/mol  
99+
3,300.00 kJ/mol  
99+
8th Energy Level
7,000.00 kJ/mol  
38
5,280.00 kJ/mol  
99+
9th Energy Level
7,230.00 kJ/mol  
28
5,780.00 kJ/mol  
99+
10th Energy Level
6,100.00 kJ/mol  
99+
8,830.00 kJ/mol  
22
11th Energy Level
6,700.00 kJ/mol  
38
3,300.00 kJ/mol  
99+
12th Energy Level
883.00 kJ/mol  
99+
88,300.00 kJ/mol  
2
13th Energy Level
7,230.00 kJ/mol  
26
4,760.00 kJ/mol  
99+
14th Energy Level
6,500.00 kJ/mol  
25
1,120.00 kJ/mol  
99+
15th Energy Level
61,000.00 kJ/mol  
99+
33,000.00 kJ/mol  
99+
16th Energy Level
65,000.00 kJ/mol  
26
33,000.00 kJ/mol  
99+
17th Energy Level
580.00 kJ/mol  
99+
1,129.00 kJ/mol  
19
18th Energy Level
6,100.00 kJ/mol  
99+
0.00 kJ/mol  
99+
19th Energy Level
540.30 kJ/mol  
99+
1,094.90 kJ/mol  
18
20th Energy Level
608.00 kJ/mol  
99+
0.00 kJ/mol  
99+
21st Energy Level
5,780.00 kJ/mol  
22
883.00 kJ/mol  
36
22nd Energy Level
590.00 kJ/mol  
99+
330.00 kJ/mol  
99+
23rd Energy Level
6,100.00 kJ/mol  
16
1,150.00 kJ/mol  
33
24th Energy Level
883.00 kJ/mol  
7
528.30 kJ/mol  
99+
25th Energy Level
578.00 kJ/mol  
99+
0.00 kJ/mol  
99+
26th Energy Level
593.80 kJ/mol  
99+
579.80 kJ/mol  
99+
27th Energy Level
610.00 kJ/mol  
99+
0.00 kJ/mol  
99+
28th Energy Level
850.00 kJ/mol  
12
1,150.00 kJ/mol  
3
29th Energy Level
0.00 kJ/mol  
99+
1,094.00 kJ/mol  
5
30th Energy Level
0.00 kJ/mol  
99+
0.00 kJ/mol  
99+
Electrochemical Equivalent
3.50 g/amp-hr  
11
3.00 g/amp-hr  
21
Electron Work Function
4.00 eV  
35
4.90 eV  
12
Other Chemical Properties
Chemical Stability, Ionization  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
117  
1
105  
13
Electron Configuration
[Rn] 5f14 6d10 7s2 7p5  
[Rn] 5f14 6d3 7s2  
Crystal Structure
Not Known  
Body Centered Cubic (BCC)  
Crystal Lattice
Unknown-Crystal-Structure-of-Ununseptium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
117  
1
105  
13
Number of Neutrons
167  
3
157  
8
Number of Electrons
117  
1
105  
13
Radius of an Atom
  
  
Atomic Radius
0.00 pm  
99+
139.00 pm  
99+
Covalent Radius
0.00 pm  
99+
149.00 pm  
37
Van der Waals Radius
220.00 pm  
28
0.00 pm  
99+
Atomic Weight
294.00 amu  
1
268.00 amu  
10
Atomic Volume
15.00 cm3/mol  
99+
22.80 cm3/mol  
17
Adjacent Atomic Numbers
  
  
Previous Element
No Previous Element  
Rutherfordium
  
Next Element
Livermorium
  
Seaborgium
  
Valence Electron Potential
2.20 (-eV)  
99+
0.00 (-eV)  
99+
Lattice Constant
330.25 pm  
99+
-  
Lattice Angles
-  
-  
Lattice C/A Ratio
1.65  
12
1.63  
14
Mechanical
Density
  
  
Density At Room Temperature
7.10 g/cm3  
99+
29.30 g/cm3  
5
Density When Liquid (at m.p.)
7.20 g/cm3  
99+
29.30 g/cm3  
6
Tensile Strength
80.00 MPa  
29
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)  
30
Elasticity properties
  
  
Shear Modulus
25.00 GPa  
38
34.00 GPa  
22
Bulk Modulus
0.00 GPa  
99+
39.00 GPa  
39
Young's Modulus
12.40 GPa  
99+
0.00 GPa  
99+
Poisson Ratio
0.34  
10
0.39  
5
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
7.20  
99+
39.00  
3
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
17
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
0.10 nΩ·m  
99+
6.80 nΩ·m  
99+
Electrical Conductivity
-  
0.00 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
-  
Thermal
Specific Heat
0.14 J/(kg K)  
38
0.10 J/(kg K)  
99+
Molar Heat Capacity
27.20 J/mol·K  
24
29.30 J/mol·K  
11
Thermal Conductivity
0.20 W/m·K  
99+
0.00 W/m·K  
99+
Critical Temperature
700.00 K  
99+
1,323.00 K  
99+
Thermal Expansion
7.10 µm/(m·K)  
99+
13.20 µm/(m·K)  
37
Enthalpy
  
  
Enthalpy of Vaporization
550.00 kJ/mol  
14
289.70 kJ/mol  
99+
Enthalpy of Fusion
-  
-  
Enthalpy of Atomization
590.00 kJ/mol  
13
-  
Standard Molar Entropy
50.00 J/mol.K  
99+
55.00 J/mol.K  
34
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