Home
 Compare Metals

Uranium vs Dubnium

Uranium
Dubnium
Dubnium vs Uranium


Periodic Table
Symbol
U  
Db  
Group Number
0  
18
5  
13
Period Number
7  
7  
Block
f block  
d block  
Element Family
Actinide  
Transition Metal  
CAS Number
7440611  
28
53850354  
14
Space Group Name
Cmcm  
-  
Space Group Number
63.00  
13
166.00  
9
Facts
Interesting Facts
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.
  
Sources
Earth's crust, Mining, Ores of Minerals  
Produced by Bombarding Am243 with Ne22, Synthetically Produced  
History
  
  
Who Discovered
-  
Joint Institute for Nuclear Research  
Discovery
In 1789  
In 1968  
Abundance
  
  
Abundance In Universe
0.00 %  
30
0.00 %  
40
Abundance In Sun
0.00 %  
26
-  
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
36
-  
Abundance In Oceans
0.00 %  
11
-  
Abundance In Humans
0.00 %  
24
-  
Uses
Uses & Benefits
  • The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
  • Synthetic elements like transuranium are made from Uranium metal.
  
  • Currently known uses of Dubnium metal are limited to research purpose only.
  
Industrial Uses
Ammunition Industry, Chemical Industry  
-  
Medical Uses
-  
-  
Other Uses
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues  
Research Purposes  
Biological Properties
  
  
Toxicity
Toxic  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
37
0.00 Blood/mg dm-3  
40
In Bone
1.20 p.p.m.  
19
0.00 p.p.m.  
99+
Physical
Melting Point
1,132.00 °C  
39
-  
Boiling Point
3,818.00 °C  
16
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
-  
Luster
Metallic  
Unknown Luster  
Hardness
  
  
Mohs Hardness
6.00  
6
6.00  
6
Brinell Hardness
2,350.00 MPa  
2
330.00 MPa  
38
Vickers Hardness
1,960.00 MPa  
6
400.00 MPa  
99+
Speed of Sound
3,155.00 m/s  
36
2,680.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.38  
40
1.20  
99+
Reflectivity
80.00 %  
7
55.00 %  
27
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
U  
Db  
Isotopes
  
  
Known Isotopes
25  
14
10  
28
Electronegativity
  
  
Pauling Electronegativity
1.38  
29
2.20  
5
Sanderson Electronegativity
1.38  
22
1.30  
25
Allred Rochow Electronegativity
1.22  
27
1.30  
25
Mulliken-Jaffe Electronegativity
1.38  
29
1.10  
99+
Allen Electronegativity
1.38  
36
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.62  
26
2.00  
99+
Ionization Energies
  
  
1st Energy Level
597.60 kJ/mol  
99+
664.80 kJ/mol  
38
2nd Energy Level
1,420.00 kJ/mol  
99+
1,546.70 kJ/mol  
39
3rd Energy Level
1,900.00 kJ/mol  
99+
2,378.40 kJ/mol  
99+
4th Energy Level
3,145.00 kJ/mol  
99+
3,298.80 kJ/mol  
99+
5th Energy Level
5,976.00 kJ/mol  
99+
4,305.20 kJ/mol  
99+
6th Energy Level
5,976.00 kJ/mol  
99+
12,900.00 kJ/mol  
5
7th Energy level
5,970.00 kJ/mol  
99+
3,300.00 kJ/mol  
99+
8th Energy Level
5,976.00 kJ/mol  
99+
5,280.00 kJ/mol  
99+
9th Energy Level
5,976.00 kJ/mol  
99+
5,780.00 kJ/mol  
99+
10th Energy Level
5,976.00 kJ/mol  
99+
8,830.00 kJ/mol  
22
11th Energy Level
5,976.00 kJ/mol  
99+
3,300.00 kJ/mol  
99+
12th Energy Level
5,970.00 kJ/mol  
99+
88,300.00 kJ/mol  
2
13th Energy Level
5,970.00 kJ/mol  
99+
4,760.00 kJ/mol  
99+
14th Energy Level
5,970.00 kJ/mol  
34
1,120.00 kJ/mol  
99+
15th Energy Level
59,700.00 kJ/mol  
99+
33,000.00 kJ/mol  
99+
16th Energy Level
59,700.00 kJ/mol  
35
33,000.00 kJ/mol  
99+
17th Energy Level
597.60 kJ/mol  
99+
1,129.00 kJ/mol  
19
18th Energy Level
5,976.00 kJ/mol  
99+
0.00 kJ/mol  
99+
19th Energy Level
597.60 kJ/mol  
99+
1,094.90 kJ/mol  
18
20th Energy Level
597.00 kJ/mol  
99+
0.00 kJ/mol  
99+
21st Energy Level
597.60 kJ/mol  
99+
883.00 kJ/mol  
36
22nd Energy Level
597.00 kJ/mol  
99+
330.00 kJ/mol  
99+
23rd Energy Level
597.60 kJ/mol  
99+
1,150.00 kJ/mol  
33
24th Energy Level
597.60 kJ/mol  
99+
528.30 kJ/mol  
99+
25th Energy Level
597.60 kJ/mol  
99+
0.00 kJ/mol  
99+
26th Energy Level
597.60 kJ/mol  
99+
579.80 kJ/mol  
99+
27th Energy Level
597.60 kJ/mol  
99+
0.00 kJ/mol  
99+
28th Energy Level
597.60 kJ/mol  
99+
1,150.00 kJ/mol  
3
29th Energy Level
597.60 kJ/mol  
99+
1,094.00 kJ/mol  
5
30th Energy Level
597.60 kJ/mol  
99+
0.00 kJ/mol  
99+
Electrochemical Equivalent
1.48 g/amp-hr  
99+
3.00 g/amp-hr  
21
Electron Work Function
3.63 eV  
99+
4.90 eV  
12
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
92  
26
105  
13
Electron Configuration
[Rn] 5f3 6d1 7s2  
[Rn] 5f14 6d3 7s2  
Crystal Structure
Orthorhombic (ORTH)  
Body Centered Cubic (BCC)  
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
92  
26
105  
13
Number of Neutrons
146  
14
157  
8
Number of Electrons
92  
26
105  
13
Radius of an Atom
  
  
Atomic Radius
156.00 pm  
31
139.00 pm  
99+
Covalent Radius
196.00 pm  
14
149.00 pm  
37
Van der Waals Radius
186.00 pm  
40
0.00 pm  
99+
Atomic Weight
238.03 amu  
21
268.00 amu  
10
Atomic Volume
12.59 cm3/mol  
99+
22.80 cm3/mol  
17
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Rutherfordium
  
Next Element
Neptunium
  
Seaborgium
  
Valence Electron Potential
170.00 (-eV)  
4
0.00 (-eV)  
99+
Lattice Constant
295.08 pm  
99+
-  
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.02  
99+
1.63  
14
Mechanical
Density
  
  
Density At Room Temperature
19.10 g/cm3  
17
29.30 g/cm3  
5
Density When Liquid (at m.p.)
17.30 g/cm3  
17
29.30 g/cm3  
6
Tensile Strength
100.00 MPa  
28
0.10 MPa  
99+
Viscosity
0.00  
21
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
22
Vapor Pressure at 2000 K
0.01 (Pa)  
20
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
111.00 GPa  
10
34.00 GPa  
22
Bulk Modulus
100.00 GPa  
16
39.00 GPa  
39
Young's Modulus
208.00 GPa  
11
0.00 GPa  
99+
Poisson Ratio
0.23  
30
0.39  
5
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
18.80  
19
39.00  
3
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
16
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
Poor Conductor  
-  
Resistivity
0.28 nΩ·m  
99+
6.80 nΩ·m  
99+
Electrical Conductivity
0.04 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
50.60 kJ/mol  
25
-  
Thermal
Specific Heat
0.12 J/(kg K)  
99+
0.10 J/(kg K)  
99+
Molar Heat Capacity
27.67 J/mol·K  
18
29.30 J/mol·K  
11
Thermal Conductivity
27.50 W/m·K  
99+
0.00 W/m·K  
99+
Critical Temperature
1,405.00 K  
99+
1,323.00 K  
99+
Thermal Expansion
13.90 µm/(m·K)  
30
13.20 µm/(m·K)  
37
Enthalpy
  
  
Enthalpy of Vaporization
477.00 kJ/mol  
18
289.70 kJ/mol  
99+
Enthalpy of Fusion
15.48 kJ/mol  
19
-  
Enthalpy of Atomization
489.50 kJ/mol  
18
-  
Standard Molar Entropy
50.20 J/mol.K  
99+
55.00 J/mol.K  
34
Periodic Table >>
<< All

Compare Actinide Series

Actinide Series

Actinide Series

» More Actinide Series

Compare Actinide Series

» More Compare Actinide Series
Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!