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Copper Cobalt Comparison

Copper
Cobalt
Cobalt Copper comparison


Periodic Table
Symbol
Cu  
Co  
Group Number
11  
7
9  
9
Period Number
4  
4  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7440508  
37
7440484  
38
Space Group Name
Fm_ 3m  
P63/mmc  
Space Group Number
225.00  
3
194.00  
7
Facts
Interesting Facts
  • Copper rarely found in its pure form in nature.
  • Copper Sulfate is mostly used in agricultural poison and as an algicide in water purification system.
  
  • 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
Found in Minerals  
Found in Compounds, Mining, Ores of Minerals  
History
  
  
Who Discovered
-  
Georg Brandt  
Discovery
In Middle East (9000 BCE)  
In 1732  
Abundance
  
  
Abundance In Universe
0.00 %  
13
0.00 %  
10
Abundance In Sun
0.00 %  
12
0.00 %  
9
Abundance In Meteorites
0.01 %  
13
0.06 %  
10
Abundance In Earth's Crust
0.01 %  
17
0.00 %  
21
Abundance In Oceans
0.00 %  
8
0.00 %  
20
Abundance In Humans
0.00 %  
10
0.00 %  
20
Uses
Uses & Benefits
  • It is use for coinage and bullion.
  • Most of copper element is used in manufacturing electrical and electronic equipments such as wirings and components. It is also used in construction and industrial machine.
  
  • 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
Chemical Industry, Electronic Industry  
Chemical Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
Pharmaceutical Industry  
Other Uses
Alloys, Coinage, Jewellery  
Alloys  
Biological Properties
  
  
Toxicity
Non Toxic  
Toxic  
Present in Human Body
Yes  
Yes  
In Blood
1.01 Blood/mg dm-3  
8
0.04 Blood/mg dm-3  
18
In Bone
26.00 p.p.m.  
12
0.04 p.p.m.  
32
Physical
Melting Point
1,084.62 °C  
40
1,495.00 °C  
29
Boiling Point
2,562.00 °C  
99+
2,870.00 °C  
35
Appearance
  
  
Physical State
Solid  
Solid  
Color
Copper  
Gray  
Luster
-  
Metallic  
Hardness
  
  
Mohs Hardness
3.00  
13
5.00  
8
Brinell Hardness
235.00 MPa  
99+
470.00 MPa  
31
Vickers Hardness
343.00 MPa  
99+
1,043.00 MPa  
18
Speed of Sound
3,810.00 m/s  
26
4,720.00 m/s  
18
Optical Properties
  
  
Refractive Index
1.10  
99+
2.50  
5
Reflectivity
90.00 %  
4
67.00 %  
16
Allotropes
No  
Yes  
α Allotropes
-  
α-Cobalt  
β Allotropes
-  
β-Cobalt  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Cu  
Co  
Isotopes
  
  
Known Isotopes
29  
10
26  
13
Electronegativity
  
  
Pauling Electronegativity
1.90  
12
1.88  
13
Sanderson Electronegativity
1.98  
11
2.56  
1
Allred Rochow Electronegativity
1.75  
4
1.70  
6
Mulliken-Jaffe Electronegativity
1.49  
27
1.88  
14
Allen Electronegativity
1.85  
12
1.84  
13
Electropositivity
  
  
Pauling Electropositivity
2.10  
99+
2.12  
99+
Ionization Energies
  
  
1st Energy Level
745.50 kJ/mol  
22
760.40 kJ/mol  
19
2nd Energy Level
1,957.90 kJ/mol  
15
1,648.00 kJ/mol  
32
3rd Energy Level
3,555.00 kJ/mol  
15
3,232.00 kJ/mol  
22
4th Energy Level
5,536.00 kJ/mol  
21
4,950.00 kJ/mol  
29
5th Energy Level
7,700.00 kJ/mol  
17
7,670.00 kJ/mol  
18
6th Energy Level
9,900.00 kJ/mol  
16
9,840.00 kJ/mol  
18
7th Energy level
13,400.00 kJ/mol  
7
12,440.00 kJ/mol  
11
8th Energy Level
16,000.00 kJ/mol  
9
15,230.00 kJ/mol  
12
9th Energy Level
19,200.00 kJ/mol  
9
17,959.00 kJ/mol  
13
10th Energy Level
22,400.00 kJ/mol  
11
26,570.00 kJ/mol  
7
11th Energy Level
25,600.00 kJ/mol  
13
29,400.00 kJ/mol  
8
12th Energy Level
35,600.00 kJ/mol  
27
32,400.00 kJ/mol  
30
13th Energy Level
38,700.00 kJ/mol  
6
36,600.00 kJ/mol  
8
14th Energy Level
42,000.00 kJ/mol  
7
39,700.00 kJ/mol  
9
15th Energy Level
46,700.00 kJ/mol  
99+
42,800.00 kJ/mol  
99+
16th Energy Level
50,200.00 kJ/mol  
99+
49,396.00 kJ/mol  
99+
17th Energy Level
53,700.00 kJ/mol  
12
52,737.00 kJ/mol  
13
18th Energy Level
61,100.00 kJ/mol  
10
134,810.00 kJ/mol  
1
19th Energy Level
64,702.00 kJ/mol  
11
145,170.00 kJ/mol  
2
20th Energy Level
163,700.00 kJ/mol  
2
154,700.00 kJ/mol  
4
21st Energy Level
174,100.00 kJ/mol  
2
167,400.00 kJ/mol  
4
22nd Energy Level
184,900.00 kJ/mol  
1
178,100.00 kJ/mol  
3
23rd Energy Level
198,800.00 kJ/mol  
1
189,300.00 kJ/mol  
3
24th Energy Level
745.50 kJ/mol  
19
760.40 kJ/mol  
17
25th Energy Level
745.50 kJ/mol  
19
760.40 kJ/mol  
17
26th Energy Level
745.50 kJ/mol  
19
760.40 kJ/mol  
17
27th Energy Level
745.50 kJ/mol  
18
760.40 kJ/mol  
16
28th Energy Level
745.50 kJ/mol  
24
760.40 kJ/mol  
22
29th Energy Level
745.50 kJ/mol  
25
760.40 kJ/mol  
23
30th Energy Level
745.50 kJ/mol  
19
760.40 kJ/mol  
17
Electrochemical Equivalent
1.19 g/amp-hr  
99+
1.10 g/amp-hr  
99+
Electron Work Function
4.65 eV  
16
5.00 eV  
9
Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Solubility  
Chemical Stability, Ionization  
Atomic
Atomic Number
29  
99+
22  
99+
Electron Configuration
[Ar] 3d10 4s1  
[Ar] 3d2 4s2  
Crystal Structure
Face Centered Cubic (FCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
FCC-Crystal-Structure-of-Copper.jpg#100  
HCP-Crystal-Structure-of-Cobalt.jpg#100  
Atom
  
  
Number of Protons
29  
99+
22  
99+
Number of Neutrons
35  
99+
26  
99+
Number of Electrons
29  
99+
22  
99+
Radius of an Atom
  
  
Atomic Radius
128.00 pm  
99+
147.00 pm  
36
Covalent Radius
132.00 pm  
99+
160.00 pm  
32
Van der Waals Radius
140.00 pm  
99+
200.00 pm  
35
Atomic Weight
63.55 amu  
99+
47.87 amu  
99+
Atomic Volume
7.10 cm3/mol  
99+
10.64 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Nickel
  
Iron
  
Next Element
Zinc
  
Nickel
  
Valence Electron Potential
34.00 (-eV)  
99+
95.20 (-eV)  
10
Lattice Constant
361.49 pm  
39
295.08 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.28  
99+
1.26  
99+
Mechanical
Density
  
  
Density At Room Temperature
8.96 g/cm3  
99+
4.51 g/cm3  
99+
Density When Liquid (at m.p.)
8.02 g/cm3  
99+
4.11 g/cm3  
99+
Tensile Strength
210.00 MPa  
19
434.00 MPa  
10
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
1.53 (Pa)  
8
0.00 (Pa)  
22
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.98 (Pa)  
14
Elasticity properties
  
  
Shear Modulus
48.00 GPa  
15
44.00 GPa  
17
Bulk Modulus
140.00 GPa  
12
110.00 GPa  
15
Young's Modulus
120.00 GPa  
19
116.00 GPa  
20
Poisson Ratio
0.34  
10
0.32  
12
Other Mechanical Properties
Ductile, Malleable  
Ductile  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
8.89  
99+
4,500.00  
1
Magnetic Ordering
Diamagnetic  
Paramagnetic  
Permeability
0.00 H/m  
19
0.00 H/m  
17
Susceptibility
0.00  
31
0.00  
3
Electrical Properties
  
  
Electrical Property
Conductor  
Poor Conductor  
Resistivity
16.78 nΩ·m  
99+
420.00 nΩ·m  
12
Electrical Conductivity
0.60 106/cm Ω  
2
0.02 106/cm Ω  
99+
Electron Affinity
222.80 kJ/mol  
1
7.60 kJ/mol  
99+
Thermal
Specific Heat
0.38 J/(kg K)  
15
0.52 J/(kg K)  
9
Molar Heat Capacity
24.44 J/mol·K  
99+
25.06 J/mol·K  
99+
Thermal Conductivity
401.00 W/m·K  
2
21.90 W/m·K  
99+
Critical Temperature
1,358.00 K  
99+
1,768.00 K  
32
Thermal Expansion
16.50 µm/(m·K)  
27
8.60 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
283.70 kJ/mol  
99+
429.00 kJ/mol  
20
Enthalpy of Fusion
7.11 kJ/mol  
99+
15.48 kJ/mol  
19
Enthalpy of Atomization
338.90 kJ/mol  
39
468.60 kJ/mol  
20
Standard Molar Entropy
33.20 J/mol.K  
99+
27.30 J/mol.K  
99+
Summary >>
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