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Dubnium vs Cobalt

Dubnium
Cobalt
Cobalt vs Dubnium


Periodic Table
Symbol
Db  
Co  
Group Number
5  
13
9  
9
Period Number
7  
4  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
53850354  
14
7440484  
38
Space Group Name
Not Available  
P63/mmc  
Space Group Number
Not Available  
194.00  
5
Facts
Interesting Facts
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.
  
  • The main source of Cobalt is as a by-product of copper and nickel metal mining.
  • Cobalt metal can be obtained from other elements like Oxygen, Sulfur and Arsenic.
  • It s also used in electroplating process as it exhibits anti cession properties.
  
Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced  
Found in Compounds, Mining, Ores of Minerals  
History
  
  
Who Discovered
Joint Institute for Nuclear Research  
Georg Brandt  
Discovery
In 1968  
In 1732  
Abundance
  
  
Abundance In Universe
Not Available  
3 * 10-4 %  
9
Abundance In Sun
~-9999 %  
~0.0004 %  
9
Abundance In Meteorites
Not Available  
0.06 %  
10
Abundance In Earth's Crust
Not Available  
0.00 %  
21
Abundance In Oceans
Not Available  
0.00 %  
20
Abundance In Humans
Not Available  
0.00 %  
17
Uses
Uses & Benefits
  • Currently known uses of Dubnium metal are limited to research purpose only.
  
  • Its alloys with aluminum and nickel are used to make powerful magnets.
  • Few other alloys exhibit high-temperature strength and hence they are used in Turbines of Jet and Gas engine.
  
Industrial Uses
NA  
Chemical Industry, Electrical Industry, Electronic Industry  
Medical Uses
NA  
Pharmaceutical Industry  
Other Uses
Research Purposes  
Alloys  
Biological Properties
  
  
Toxicity
Unknown  
Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
37
0.04 Blood/mg dm-3  
18
In Bone
0.00 p.p.m.  
36
0.04 p.p.m.  
27
Physical Properties
Melting Point
Not Available  
1,495.00 °C  
29
Boiling Point
Not Available  
2,870.00 °C  
34
Appearance
  
  
Physical State
Solid  
Solid  
Color
Unknown  
Gray  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
Not Available  
5.00  
8
Brinell Hardness
Not Available  
470.00 MPa  
26
Vickers Hardness
Not Available  
1,043.00 MPa  
11
Speed of Sound
Not Available  
4,720.00 m/s  
14
Optical Properties
  
  
Reflectivity
Not Available  
67.00 %  
11
Allotropes
No  
Yes  
α Allotropes
Not Available  
α-Cobalt  
β Allotropes
Not Available  
β-Cobalt  
γ Allotropes
Not Available  
Not Available  
Chemical Properties
Chemical Formula
Db  
Co  
Isotopes
  
  
Known Isotopes
10  
28
26  
13
Electronegativity
  
  
Pauling Electronegativity
Not Available  
1.88  
12
Sanderson Electronegativity
Not Available  
2.56  
1
Allred Rochow Electronegativity
Not Available  
1.70  
5
Allen Electronegativity
Not Available  
1.84  
10
Electropositivity
  
  
Pauling Electropositivity
Not Available  
2.12  
99+
Ionization Energies
  
  
1st Energy Level
664.80 kJ/mol  
38
760.40 kJ/mol  
19
2nd Energy Level
1,546.70 kJ/mol  
38
1,648.00 kJ/mol  
31
3rd Energy Level
2,378.40 kJ/mol  
99+
3,232.00 kJ/mol  
22
4th Energy Level
3,298.80 kJ/mol  
99+
4,950.00 kJ/mol  
19
5th Energy Level
4,305.20 kJ/mol  
39
7,670.00 kJ/mol  
12
6th Energy Level
Not Available  
9,840.00 kJ/mol  
12
7th Energy level
Not Available  
12,440.00 kJ/mol  
11
8th Energy Level
Not Available  
15,230.00 kJ/mol  
12
9th Energy Level
Not Available  
17,959.00 kJ/mol  
13
10th Energy Level
Not Available  
26,570.00 kJ/mol  
7
11th Energy Level
Not Available  
29,400.00 kJ/mol  
8
12th Energy Level
Not Available  
32,400.00 kJ/mol  
8
13th Energy Level
Not Available  
36,600.00 kJ/mol  
8
14th Energy Level
Not Available  
39,700.00 kJ/mol  
9
15th Energy Level
Not Available  
42,800.00 kJ/mol  
12
16th Energy Level
Not Available  
49,396.00 kJ/mol  
11
17th Energy Level
Not Available  
52,737.00 kJ/mol  
13
18th Energy Level
Not Available  
134,810.00 kJ/mol  
1
19th Energy Level
Not Available  
145,170.00 kJ/mol  
2
20th Energy Level
Not Available  
154,700.00 kJ/mol  
4
21st Energy Level
Not Available  
167,400.00 kJ/mol  
4
22nd Energy Level
Not Available  
178,100.00 kJ/mol  
3
23rd Energy Level
Not Available  
189,300.00 kJ/mol  
3
Electrochemical Equivalent
Not Available  
1.10 g/amp-hr  
99+
Electron Work Function
Not Available  
5.00 eV  
5
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Chemical Stability, Ionization  
Atomic Properties
Atomic Number
105  
13
22  
99+
Electron Configuration
[Rn] 5f14 6d3 7s2  
[Ar] 3d2 4s2  
Crystal Structure
Body Centered Cubic (BCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
HCP-Crystal-Structure-of-Cobalt.jpg#100  
Atom
  
  
Number of Protons
105  
13
22  
99+
Number of Neutrons
157  
7
26  
99+
Number of Electrons
105  
13
22  
99+
Radius of an Atom
  
  
Atomic Radius
139.00 pm  
39
147.00 pm  
34
Covalent Radius
149.00 pm  
35
160.00 pm  
30
Van der Waals Radius
Not Available  
200.00 pm  
28
Atomic Weight
268.00 amu  
10
47.87 amu  
99+
Atomic Volume
Not Available  
10.64 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Rutherfordium
  
Iron
  
Next Element
Seaborgium
  
Nickel
  
Valence Electron Potential
Not Available  
95.20 (-eV)  
10
Lattice Constant
Not Available  
295.08 pm  
99+
Lattice Angles
NA  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
Not Available  
Not Available  
Mechanical Properties
Density
  
  
Density At Room Temperature
29.30 g/cm3  
5
4.51 g/cm3  
99+
Density When Liquid (at m.p.)
Not Available  
4.11 g/cm3  
99+
Tensile Strength
Not Available  
434.00 MPa  
9
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available  
0.98 (Pa)  
14
Elasticity properties
  
  
Shear Modulus
Not Available  
44.00 GPa  
17
Bulk Modulus
Not Available  
110.00 GPa  
15
Young's Modulus
Not Available  
116.00 GPa  
18
Poisson Ratio
Not Available  
0.32  
12
Other Mechanical Properties
Unknown  
Ductile  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available  
4,500.00  
1
Magnetic Ordering
Unknown  
Paramagnetic  
Electrical Properties
  
  
Electrical Property
Unknown  
Poor Conductor  
Resistivity
Not Available  
420.00 nΩ·m  
12
Electrical Conductivity
Not Available  
0.02 106/cm Ω  
99+
Electron Affinity
Not Available  
7.60 kJ/mol  
37
Thermal Properties
Specific Heat
Not Available  
0.52 J/(kg K)  
9
Molar Heat Capacity
Not Available  
25.06 J/mol·K  
99+
Thermal Conductivity
Not Available  
21.90 W/m·K  
99+
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
Not Available  
8.60 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available  
429.00 kJ/mol  
15
Enthalpy of Fusion
Not Available  
15.48 kJ/mol  
19
Enthalpy of Atomization
Not Available  
468.60 kJ/mol  
15
Standard Molar Entropy
Not Available  
27.30 J/mol.K  
99+
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