Copper Platinum Comparison
Periodic Table
Symbol
Cu
Pt
Group Number
11
7
10
8
Period Number
4
6
Block
d block
d block
Element Family
Transition Metal
Transition Metal
CAS Number
7440508
37
7440064
99+
Space Group Name
Fm_ 3m
Fm_ 3m
Space Group Number
225.00
2
225.00
2
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.
- Platinum is the rarest metal from the Precious metal categories..
- Commercially Platinum is produced as a byproduct in ores of nickel.
Sources
Found in Minerals
Mining, Ores of metals, Ores of Minerals
History
Who Discovered
Unknown
Antonio de Ulloa
Discovery
In Middle East (9000 BCE)
In 1735
Abundance
Abundance In Universe
6 * 10-6 %
12
5 * 10-7 %
19
Abundance In Sun
~0.00007 %
12
~0.0000009 %
19
Abundance In Meteorites
0.01 %
13
0.00 %
25
Abundance In Earth's Crust
0.01 %
17
0.00 %
99+
Abundance In Oceans
0.00 %
8
Not Available
Abundance In Humans
0.00 %
9
Not Available
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.
- Platinum metal is mainly used in jewellery.
- Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
Industrial Uses
Chemical Industry, Electronic Industry
Aerospace Industry, Chemical Industry
Medical Uses
NA
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing
Other Uses
Alloys, Coinage, Jewellery
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
Biological Properties
Toxicity
Non Toxic
Non Toxic
Present in Human Body
Yes
No
In Blood
1.01 Blood/mg dm-3
8
Not Available
In Bone
26.00 p.p.m.
12
Not Available
Physical Properties
Melting Point
1,084.62 °C
40
1,772.00 °C
16
Boiling Point
2,562.00 °C
99+
3,827.00 °C
15
Appearance
Physical State
Solid
Solid
Color
Copper
Silvery White
Luster
NA
Metallic
Hardness
Mohs Hardness
3.00
12
3.50
11
Brinell Hardness
235.00 MPa
38
300.00 MPa
34
Vickers Hardness
343.00 MPa
28
400.00 MPa
25
Speed of Sound
3,810.00 m/s
19
2,800.00 m/s
29
Optical Properties
Reflectivity
90.00 %
3
73.00 %
8
Allotropes
No
No
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available
Chemical Properties
Chemical Formula
Cu
Pt
Isotopes
Known Isotopes
29
10
35
4
Electronegativity
Pauling Electronegativity
1.90
11
2.28
3
Sanderson Electronegativity
1.98
9
Not Available
Allred Rochow Electronegativity
1.75
3
1.44
17
Mulliken-Jaffe Electronegativity
1.49
14
Not Available
Allen Electronegativity
1.85
9
1.72
16
Electropositivity
Pauling Electropositivity
2.10
99+
1.72
99+
Ionization Energies
1st Energy Level
745.50 kJ/mol
22
870.00 kJ/mol
10
2nd Energy Level
1,957.90 kJ/mol
15
1,791.00 kJ/mol
21
3rd Energy Level
3,555.00 kJ/mol
15
Not Available
4th Energy Level
5,536.00 kJ/mol
12
Not Available
5th Energy Level
7,700.00 kJ/mol
11
Not Available
6th Energy Level
9,900.00 kJ/mol
10
Not Available
7th Energy level
13,400.00 kJ/mol
7
Not Available
8th Energy Level
16,000.00 kJ/mol
9
Not Available
9th Energy Level
19,200.00 kJ/mol
9
Not Available
10th Energy Level
22,400.00 kJ/mol
11
Not Available
11th Energy Level
25,600.00 kJ/mol
13
Not Available
12th Energy Level
35,600.00 kJ/mol
6
Not Available
13th Energy Level
38,700.00 kJ/mol
6
Not Available
14th Energy Level
42,000.00 kJ/mol
7
Not Available
15th Energy Level
46,700.00 kJ/mol
9
Not Available
16th Energy Level
50,200.00 kJ/mol
10
Not Available
17th Energy Level
53,700.00 kJ/mol
12
Not Available
18th Energy Level
61,100.00 kJ/mol
10
Not Available
19th Energy Level
64,702.00 kJ/mol
11
Not Available
20th Energy Level
163,700.00 kJ/mol
2
Not Available
21st Energy Level
174,100.00 kJ/mol
2
Not Available
22nd Energy Level
184,900.00 kJ/mol
1
Not Available
23rd Energy Level
198,800.00 kJ/mol
1
Not Available
Electrochemical Equivalent
1.19 g/amp-hr
99+
1.82 g/amp-hr
35
Electron Work Function
4.65 eV
11
5.65 eV
1
Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Solubility
Chemical Stability, Anti Corrosion, Ionization
Atomic Properties
Atomic Number
29
99+
78
38
Electron Configuration
[Ar] 3d10 4s1
[Xe] 4f14 5d9 6s1
Crystal Structure
Face Centered Cubic (FCC)
Face Centered Cubic (FCC)
Crystal Lattice
FCC-Crystal-Structure-of-Copper.jpg#100
FCC-Crystal-Structure-of-Platinum.jpg#100
Atom
Number of Protons
29
99+
78
38
Number of Neutrons
35
99+
117
24
Number of Electrons
29
99+
78
38
Radius of an Atom
Atomic Radius
128.00 pm
99+
139.00 pm
39
Covalent Radius
132.00 pm
99+
136.00 pm
99+
Van der Waals Radius
140.00 pm
99+
175.00 pm
36
Atomic Weight
63.55 amu
99+
47.87 amu
99+
Atomic Volume
7.10 cm3/mol
99+
9.09 cm3/mol
99+
Adjacent Atomic Numbers
Valence Electron Potential
34.00 (-eV)
99+
392.42 (-eV)
1
Lattice Constant
361.49 pm
35
392.42 pm
24
Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Not Available
Mechanical Properties
Density
Density At Room Temperature
8.96 g/cm3
99+
21.45 g/cm3
11
Density When Liquid (at m.p.)
8.02 g/cm3
27
19.77 g/cm3
2
Tensile Strength
Not Available
125.00 MPa
14
Viscosity
Not Available
Not Available
Vapor Pressure
Vapor Pressure at 1000 K
1.53 (Pa)
8
Not Available
Vapor Pressure at 2000 K
Not Available
0.07 (Pa)
18
Elasticity properties
Shear Modulus
48.00 GPa
15
61.00 GPa
14
Bulk Modulus
140.00 GPa
12
230.00 GPa
6
Young's Modulus
120.00 GPa
17
168.00 GPa
14
Poisson Ratio
0.34
10
0.38
6
Other Mechanical Properties
Ductile, Malleable
Ductile, Malleable
Magnetic Properties
Magnetic Characteristics
Specific Gravity
8.89
34
21.45
4
Magnetic Ordering
Diamagnetic
Paramagnetic
Permeability
1.256629 * 10-6 H/m
5
0.00 H/m
3
Susceptibility
-9.63 * 10-6
4
Not Available
Electrical Properties
Electrical Property
Conductor
Conductor
Resistivity
16.78 nΩ·m
99+
105.00 nΩ·m
30
Electrical Conductivity
0.60 106/cm Ω
2
0.10 106/cm Ω
21
Electron Affinity
222.80 kJ/mol
1
205.30 kJ/mol
2
Thermal Properties
Specific Heat
0.38 J/(kg K)
15
0.13 J/(kg K)
39
Molar Heat Capacity
24.44 J/mol·K
99+
25.86 J/mol·K
35
Thermal Conductivity
401.00 W/m·K
2
71.60 W/m·K
24
Critical Temperature
Not Available
Not Available
Thermal Expansion
16.50 µm/(m·K)
25
8.80 µm/(m·K)
99+
Enthalpy
Enthalpy of Vaporization
283.70 kJ/mol
33
510.50 kJ/mol
11
Enthalpy of Fusion
7.11 kJ/mol
99+
19.70 kJ/mol
12
Enthalpy of Atomization
338.90 kJ/mol
29
565.00 kJ/mol
11
Standard Molar Entropy
33.20 J/mol.K
99+
41.60 J/mol.K
36
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