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Cobalt vs Darmstadtium

Cobalt
Darmstadtium
Darmstadtium vs Cobalt


Periodic Table
Symbol
Co  
Ds  
Group Number
9  
9
10  
8
Period Number
4  
7  
Block
d block  
d block  
Element Family
Transition Metal  
Probably Transition  
CAS Number
7440484  
38
54083771  
8
Space Group Name
P63/mmc  
-  
Space Group Number
194.00  
7
166.00  
9
Facts
Interesting Facts
  • 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.
  
Darmstadtium is a synthetic element that is highly radioactive.  
Sources
Found in Compounds, Mining, Ores of Minerals  
Synthetically Produced  
History
  
  
Who Discovered
Georg Brandt  
Gesellschaft für Schwerionenforschung  
Discovery
In 1732  
In 1994  
Abundance
  
  
Abundance In Universe
0.00 %  
10
0.00 %  
40
Abundance In Sun
0.00 %  
9
-  
Abundance In Meteorites
0.06 %  
10
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
21
-  
Abundance In Oceans
0.00 %  
20
-  
Abundance In Humans
0.00 %  
20
-  
Uses
Uses & Benefits
  • 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.
  
  • Currently known uses of Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.
  
Industrial Uses
Chemical Industry, Electrical Industry, Electronic Industry  
-  
Medical Uses
Pharmaceutical Industry  
-  
Other Uses
Alloys  
Research Purposes  
Biological Properties
  
  
Toxicity
Toxic  
-  
Present in Human Body
Yes  
No  
In Blood
0.04 Blood/mg dm-3  
18
0.00 Blood/mg dm-3  
40
In Bone
0.04 p.p.m.  
32
0.00 p.p.m.  
99+
Physical
Melting Point
1,495.00 °C  
29
-  
Boiling Point
2,870.00 °C  
35
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Gray  
-  
Luster
Metallic  
Unknown Luster  
Hardness
  
  
Mohs Hardness
5.00  
8
6.00  
6
Brinell Hardness
470.00 MPa  
31
350.00 MPa  
36
Vickers Hardness
1,043.00 MPa  
18
500.00 MPa  
35
Speed of Sound
4,720.00 m/s  
18
5,090.00 m/s  
13
Optical Properties
  
  
Refractive Index
2.50  
5
1.30  
99+
Reflectivity
67.00 %  
16
50.00 %  
31
Allotropes
Yes  
No  
α Allotropes
α-Cobalt  
-  
β Allotropes
β-Cobalt  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Co  
Ds  
Isotopes
  
  
Known Isotopes
26  
13
9  
29
Electronegativity
  
  
Pauling Electronegativity
1.88  
13
1.10  
99+
Sanderson Electronegativity
2.56  
1
1.30  
25
Allred Rochow Electronegativity
1.70  
6
1.10  
31
Mulliken-Jaffe Electronegativity
1.88  
14
1.10  
99+
Allen Electronegativity
1.84  
13
1.10  
99+
Electropositivity
  
  
Pauling Electropositivity
2.12  
99+
2.20  
39
Ionization Energies
  
  
1st Energy Level
760.40 kJ/mol  
19
955.20 kJ/mol  
5
2nd Energy Level
1,648.00 kJ/mol  
32
1,891.10 kJ/mol  
16
3rd Energy Level
3,232.00 kJ/mol  
22
3,029.60 kJ/mol  
25
4th Energy Level
4,950.00 kJ/mol  
29
3,955.90 kJ/mol  
99+
5th Energy Level
7,670.00 kJ/mol  
18
5,113.70 kJ/mol  
99+
6th Energy Level
9,840.00 kJ/mol  
18
10,700.00 kJ/mol  
12
7th Energy level
12,440.00 kJ/mol  
11
3,540.00 kJ/mol  
99+
8th Energy Level
15,230.00 kJ/mol  
12
6,630.00 kJ/mol  
40
9th Energy Level
17,959.00 kJ/mol  
13
7,180.00 kJ/mol  
29
10th Energy Level
26,570.00 kJ/mol  
7
10,700.00 kJ/mol  
20
11th Energy Level
29,400.00 kJ/mol  
8
3,540.00 kJ/mol  
99+
12th Energy Level
32,400.00 kJ/mol  
30
34,800.00 kJ/mol  
28
13th Energy Level
36,600.00 kJ/mol  
8
5,280.00 kJ/mol  
99+
14th Energy Level
39,700.00 kJ/mol  
9
1,130.00 kJ/mol  
99+
15th Energy Level
42,800.00 kJ/mol  
99+
34,400.00 kJ/mol  
99+
16th Energy Level
49,396.00 kJ/mol  
99+
34,800.00 kJ/mol  
99+
17th Energy Level
52,737.00 kJ/mol  
13
1,139.00 kJ/mol  
18
18th Energy Level
134,810.00 kJ/mol  
1
1,080.00 kJ/mol  
99+
19th Energy Level
145,170.00 kJ/mol  
2
1,139.90 kJ/mol  
15
20th Energy Level
154,700.00 kJ/mol  
4
0.00 kJ/mol  
99+
21st Energy Level
167,400.00 kJ/mol  
4
1,080.00 kJ/mol  
32
22nd Energy Level
178,100.00 kJ/mol  
3
350.00 kJ/mol  
99+
23rd Energy Level
189,300.00 kJ/mol  
3
1,100.00 kJ/mol  
35
24th Energy Level
760.40 kJ/mol  
17
565.80 kJ/mol  
99+
25th Energy Level
760.40 kJ/mol  
17
0.00 kJ/mol  
99+
26th Energy Level
760.40 kJ/mol  
17
582.30 kJ/mol  
99+
27th Energy Level
760.40 kJ/mol  
16
0.00 kJ/mol  
99+
28th Energy Level
760.40 kJ/mol  
22
1,130.00 kJ/mol  
4
29th Energy Level
760.40 kJ/mol  
23
1,130.00 kJ/mol  
4
30th Energy Level
760.40 kJ/mol  
17
663.20 kJ/mol  
33
Electrochemical Equivalent
1.10 g/amp-hr  
99+
3.00 g/amp-hr  
21
Electron Work Function
5.00 eV  
9
4.90 eV  
12
Other Chemical Properties
Chemical Stability, Ionization  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
22  
99+
110  
8
Electron Configuration
[Ar] 3d2 4s2  
[Rn] 5f14 6d8 7s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  
Crystal Lattice
HCP-Crystal-Structure-of-Cobalt.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
22  
99+
110  
8
Number of Neutrons
26  
99+
161  
4
Number of Electrons
22  
99+
110  
8
Radius of an Atom
  
  
Atomic Radius
147.00 pm  
36
132.00 pm  
99+
Covalent Radius
160.00 pm  
32
128.00 pm  
99+
Van der Waals Radius
200.00 pm  
35
0.00 pm  
99+
Atomic Weight
47.87 amu  
99+
281.00 amu  
6
Atomic Volume
10.64 cm3/mol  
99+
20.50 cm3/mol  
29
Adjacent Atomic Numbers
  
  
Previous Element
Iron
  
Meitnerium
  
Next Element
Nickel
  
Roentgenium
  
Valence Electron Potential
95.20 (-eV)  
10
0.00 (-eV)  
99+
Lattice Constant
295.08 pm  
99+
0.00 pm  
99+
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.26  
99+
1.61  
19
Mechanical
Density
  
  
Density At Room Temperature
4.51 g/cm3  
99+
35.00 g/cm3  
4
Density When Liquid (at m.p.)
4.11 g/cm3  
99+
34.80 g/cm3  
5
Tensile Strength
434.00 MPa  
10
0.10 MPa  
99+
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
0.98 (Pa)  
14
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
44.00 GPa  
17
33.00 GPa  
23
Bulk Modulus
110.00 GPa  
15
38.00 GPa  
99+
Young's Modulus
116.00 GPa  
20
0.00 GPa  
99+
Poisson Ratio
0.32  
12
0.25  
24
Other Mechanical Properties
Ductile  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
4,500.00  
1
34.80  
7
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
17
0.00 H/m  
17
Susceptibility
0.00  
3
0.00  
24
Electrical Properties
  
  
Electrical Property
Poor Conductor  
-  
Resistivity
420.00 nΩ·m  
12
8.30 nΩ·m  
99+
Electrical Conductivity
0.02 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
7.60 kJ/mol  
99+
-  
Thermal
Specific Heat
0.52 J/(kg K)  
9
0.10 J/(kg K)  
99+
Molar Heat Capacity
25.06 J/mol·K  
99+
27.30 J/mol·K  
23
Thermal Conductivity
21.90 W/m·K  
99+
0.00 W/m·K  
99+
Critical Temperature
1,768.00 K  
32
1,323.00 K  
99+
Thermal Expansion
8.60 µm/(m·K)  
99+
12.90 µm/(m·K)  
38
Enthalpy
  
  
Enthalpy of Vaporization
429.00 kJ/mol  
20
348.90 kJ/mol  
34
Enthalpy of Fusion
15.48 kJ/mol  
19
-  
Enthalpy of Atomization
468.60 kJ/mol  
20
-  
Standard Molar Entropy
27.30 J/mol.K  
99+
57.00 J/mol.K  
30
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