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Moscovium vs Dubnium

Moscovium
Dubnium
Dubnium vs Moscovium


Periodic Table
Symbol
Mc  
Db  
Group Number
15  
3
5  
13
Period Number
7  
7  
Block
p block  
d block  
Element Family
Probably Post-​Transition  
Transition Metal  
CAS Number
54085642  
4
53850354  
14
Space Group Name
-  
-  
Space Group Number
194.00  
7
166.00  
9
Facts
Interesting Facts
Moscovium is named after Moscow, where the Joint Institute for Nuclear Research is located.  
  • 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 2003  
In 1968  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
40
Abundance In Sun
-  
-  
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
-  
-  
Abundance In Oceans
-  
-  
Abundance In Humans
-  
-  
Uses
Uses & Benefits
  • Currently known uses of Ununpentium 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
0.00 Blood/mg dm-3  
30
0.00 Blood/mg dm-3  
40
In Bone
0.30 p.p.m.  
26
0.00 p.p.m.  
99+
Physical
Melting Point
400.00 °C  
99+
-  
Boiling Point
1,100.00 °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
400.00 MPa  
99+
400.00 MPa  
99+
Speed of Sound
3,790.00 m/s  
28
2,680.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.70  
27
1.20  
99+
Reflectivity
67.00 %  
16
55.00 %  
27
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Mc  
Db  
Isotopes
  
  
Known Isotopes
5  
32
10  
28
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
2.20  
5
Sanderson Electronegativity
1.90  
13
1.30  
25
Allred Rochow Electronegativity
1.90  
1
1.30  
25
Mulliken-Jaffe Electronegativity
1.20  
39
1.10  
99+
Allen Electronegativity
1.20  
99+
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
2.00  
99+
Ionization Energies
  
  
1st Energy Level
538.40 kJ/mol  
99+
664.80 kJ/mol  
38
2nd Energy Level
1,756.00 kJ/mol  
25
1,546.70 kJ/mol  
39
3rd Energy Level
2,653.30 kJ/mol  
99+
2,378.40 kJ/mol  
99+
4th Energy Level
4,679.50 kJ/mol  
34
3,298.80 kJ/mol  
99+
5th Energy Level
5,721.60 kJ/mol  
99+
4,305.20 kJ/mol  
99+
6th Energy Level
6,700.00 kJ/mol  
99+
12,900.00 kJ/mol  
5
7th Energy level
6,700.00 kJ/mol  
99+
3,300.00 kJ/mol  
99+
8th Energy Level
6,700.00 kJ/mol  
39
5,280.00 kJ/mol  
99+
9th Energy Level
6,700.00 kJ/mol  
36
5,780.00 kJ/mol  
99+
10th Energy Level
6,100.00 kJ/mol  
99+
8,830.00 kJ/mol  
22
11th Energy Level
6,500.00 kJ/mol  
99+
3,300.00 kJ/mol  
99+
12th Energy Level
67,000.00 kJ/mol  
6
88,300.00 kJ/mol  
2
13th Energy Level
7,600.00 kJ/mol  
23
4,760.00 kJ/mol  
99+
14th Energy Level
1,139.00 kJ/mol  
99+
1,120.00 kJ/mol  
99+
15th Energy Level
67,000.00 kJ/mol  
33
33,000.00 kJ/mol  
99+
16th Energy Level
54,000.00 kJ/mol  
99+
33,000.00 kJ/mol  
99+
17th Energy Level
540.10 kJ/mol  
99+
1,129.00 kJ/mol  
19
18th Energy Level
3,200.00 kJ/mol  
99+
0.00 kJ/mol  
99+
19th Energy Level
540.10 kJ/mol  
99+
1,094.90 kJ/mol  
18
20th Energy Level
830.00 kJ/mol  
20
0.00 kJ/mol  
99+
21st Energy Level
1,085.00 kJ/mol  
31
883.00 kJ/mol  
36
22nd Energy Level
540.00 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
540.20 kJ/mol  
99+
528.30 kJ/mol  
99+
25th Energy Level
700.00 kJ/mol  
31
0.00 kJ/mol  
99+
26th Energy Level
670.00 kJ/mol  
30
579.80 kJ/mol  
99+
27th Energy Level
670.00 kJ/mol  
31
0.00 kJ/mol  
99+
28th Energy Level
670.00 kJ/mol  
36
1,150.00 kJ/mol  
3
29th Energy Level
670.00 kJ/mol  
37
1,094.00 kJ/mol  
5
30th Energy Level
670.00 kJ/mol  
32
0.00 kJ/mol  
99+
Electrochemical Equivalent
3.00 g/amp-hr  
21
3.00 g/amp-hr  
21
Electron Work Function
4.10 eV  
32
4.90 eV  
12
Other Chemical Properties
Chemical Stability, Ionization  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
115  
3
105  
13
Electron Configuration
[Rn] 5f14 6d10 7s2 7p3  
[Rn] 5f14 6d3 7s2  
Crystal Structure
Not Known  
Body Centered Cubic (BCC)  
Crystal Lattice
Unknown-Crystal-Structure-of-Ununpentium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
115  
3
105  
13
Number of Neutrons
159  
6
157  
8
Number of Electrons
115  
3
105  
13
Radius of an Atom
  
  
Atomic Radius
170.00 pm  
24
139.00 pm  
99+
Covalent Radius
170.00 pm  
27
149.00 pm  
37
Van der Waals Radius
320.00 pm  
3
0.00 pm  
99+
Atomic Weight
289.00 amu  
3
268.00 amu  
10
Atomic Volume
22.60 cm3/mol  
19
22.80 cm3/mol  
17
Adjacent Atomic Numbers
  
  
Previous Element
Flerovium
  
Rutherfordium
  
Next Element
Livermorium
  
Seaborgium
  
Valence Electron Potential
5.30 (-eV)  
99+
0.00 (-eV)  
99+
Lattice Constant
0.00 pm  
99+
-  
Lattice Angles
-  
-  
Lattice C/A Ratio
1.70  
8
1.63  
14
Mechanical
Density
  
  
Density At Room Temperature
4.51 g/cm3  
99+
29.30 g/cm3  
5
Density When Liquid (at m.p.)
13.50 g/cm3  
28
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
-  
34.00 GPa  
22
Bulk Modulus
0.00 GPa  
99+
39.00 GPa  
39
Young's Modulus
11.80 GPa  
99+
0.00 GPa  
99+
Poisson Ratio
0.30  
14
0.39  
5
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
13.50  
29
39.00  
3
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
8
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
0.35 nΩ·m  
99+
6.80 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
-  
Thermal
Specific Heat
0.13 J/(kg K)  
40
0.10 J/(kg K)  
99+
Molar Heat Capacity
27.00 J/mol·K  
29
29.30 J/mol·K  
11
Thermal Conductivity
0.37 W/m·K  
99+
0.00 W/m·K  
99+
Critical Temperature
1,100.00 K  
99+
1,323.00 K  
99+
Thermal Expansion
12.50 µm/(m·K)  
99+
13.20 µm/(m·K)  
37
Enthalpy
  
  
Enthalpy of Vaporization
420.30 kJ/mol  
21
289.70 kJ/mol  
99+
Enthalpy of Fusion
-  
-  
Enthalpy of Atomization
395.60 kJ/mol  
28
-  
Standard Molar Entropy
50.00 J/mol.K  
99+
55.00 J/mol.K  
34
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