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Aluminium vs Platinum

Aluminium
Platinum
Platinum vs Aluminium


Periodic Table
Symbol
Al  
Pt  
Group Number
13  
5
10  
8
Period Number
3  
6  
Block
p block  
d block  
Element Family
Post-​Transition  
Transition Metal  
CAS Number
7429905  
99+
7440064  
99+
Space Group Name
Fm_ 3m  
Fm_ 3m  
Space Group Number
225.00  
3
225.00  
3
Facts
Interesting Facts
  • Aluminum’s abundance percentage is more as it is found in more than 260 minerals.
  • Pure Aluminum always reacts with oxygen rapidly.
  • It is a good conductor of heat and electricity and used in transmission lines.
  
  • Platinum is the rarest metal from the Precious metal categories..
  • Commercially Platinum is produced as a byproduct in ores of nickel.
  
Sources
By Electrolysis Process, Earth's crust, Mining  
Mining, Ores of metals, Ores of Minerals  
History
  
  
Who Discovered
Hans Christian Oersted  
Antonio de Ulloa  
Discovery
In 1825  
In 1735  
Abundance
  
  
Abundance In Universe
0.01 %  
6
0.00 %  
20
Abundance In Sun
0.01 %  
5
0.00 %  
19
Abundance In Meteorites
0.91 %  
5
0.00 %  
25
Abundance In Earth's Crust
8.10 %  
1
0.00 %  
99+
Abundance In Oceans
0.00 %  
6
-  
Abundance In Humans
0.00 %  
11
0.00 %  
24
Uses
Uses & Benefits
  • Aluminum is used in a various products; for example, cans, foils, kitchen utensils, window frames, beer kegs and aero plane parts, automobile parts, etc.
  
  • Platinum metal is mainly used in jewellery.
  • Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
  
Industrial Uses
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Aerospace Industry, Chemical Industry  
Medical Uses
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing  
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing  
Other Uses
Alloys, Jewellery, Sculptures, Statues  
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues  
Biological Properties
  
  
Toxicity
Non Toxic  
Non Toxic  
Present in Human Body
Yes  
No  
In Blood
0.39 Blood/mg dm-3  
9
0.00 Blood/mg dm-3  
37
In Bone
27.00 p.p.m.  
11
0.00 p.p.m.  
99+
Physical
Melting Point
660.37 °C  
99+
1,772.00 °C  
16
Boiling Point
2,467.00 °C  
99+
3,827.00 °C  
15
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
Silvery White  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
2.75  
14
3.50  
12
Brinell Hardness
160.00 MPa  
99+
300.00 MPa  
99+
Vickers Hardness
160.00 MPa  
99+
400.00 MPa  
99+
Speed of Sound
5,000.00 m/s  
14
2,800.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.61  
31
2.41  
6
Reflectivity
71.00 %  
12
73.00 %  
10
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Al  
Pt  
Isotopes
  
  
Known Isotopes
11  
27
35  
4
Electronegativity
  
  
Pauling Electronegativity
1.61  
23
2.28  
4
Sanderson Electronegativity
1.71  
16
2.28  
5
Allred Rochow Electronegativity
1.47  
15
1.44  
18
Mulliken-Jaffe Electronegativity
1.83  
16
2.20  
6
Allen Electronegativity
1.61  
23
1.72  
19
Electropositivity
  
  
Pauling Electropositivity
2.39  
32
1.72  
99+
Ionization Energies
  
  
1st Energy Level
577.50 kJ/mol  
99+
870.00 kJ/mol  
10
2nd Energy Level
1,816.70 kJ/mol  
20
1,791.00 kJ/mol  
22
3rd Energy Level
2,744.80 kJ/mol  
39
2,277.00 kJ/mol  
99+
4th Energy Level
11,577.00 kJ/mol  
3
8,702.00 kJ/mol  
6
5th Energy Level
14,842.00 kJ/mol  
2
8,702.00 kJ/mol  
9
6th Energy Level
18,379.00 kJ/mol  
2
8,700.00 kJ/mol  
27
7th Energy level
23,326.00 kJ/mol  
2
8,700.00 kJ/mol  
23
8th Energy Level
27,465.00 kJ/mol  
2
8,700.00 kJ/mol  
23
9th Energy Level
31,853.00 kJ/mol  
2
5,660.00 kJ/mol  
99+
10th Energy Level
38,473.00 kJ/mol  
4
8,700.00 kJ/mol  
24
11th Energy Level
42,647.00 kJ/mol  
5
8,700.00 kJ/mol  
21
12th Energy Level
5,770.00 kJ/mol  
99+
8,700.00 kJ/mol  
99+
13th Energy Level
5,770.00 kJ/mol  
99+
8,700.00 kJ/mol  
16
14th Energy Level
577.50 kJ/mol  
99+
870.00 kJ/mol  
99+
15th Energy Level
57,700.00 kJ/mol  
99+
87,000.00 kJ/mol  
9
16th Energy Level
577.50 kJ/mol  
99+
870.00 kJ/mol  
99+
17th Energy Level
577.50 kJ/mol  
99+
870.00 kJ/mol  
27
18th Energy Level
5,775.00 kJ/mol  
99+
8,700.00 kJ/mol  
16
19th Energy Level
577.50 kJ/mol  
99+
870.00 kJ/mol  
25
20th Energy Level
577.00 kJ/mol  
99+
870.00 kJ/mol  
15
21st Energy Level
577.50 kJ/mol  
99+
870.00 kJ/mol  
38
22nd Energy Level
577.00 kJ/mol  
99+
870.00 kJ/mol  
13
23rd Energy Level
577.50 kJ/mol  
99+
870.10 kJ/mol  
39
24th Energy Level
577.50 kJ/mol  
99+
870.00 kJ/mol  
9
25th Energy Level
577.50 kJ/mol  
99+
870.00 kJ/mol  
7
26th Energy Level
577.50 kJ/mol  
99+
870.00 kJ/mol  
7
27th Energy Level
577.50 kJ/mol  
99+
870.10 kJ/mol  
6
28th Energy Level
577.50 kJ/mol  
99+
870.10 kJ/mol  
9
29th Energy Level
577.50 kJ/mol  
99+
870.00 kJ/mol  
10
30th Energy Level
577.50 kJ/mol  
99+
870.00 kJ/mol  
7
Electrochemical Equivalent
0.34 g/amp-hr  
99+
1.82 g/amp-hr  
39
Electron Work Function
4.28 eV  
26
5.65 eV  
4
Other Chemical Properties
Chemical Stability, Ionization, Radioactive Isotopes  
Chemical Stability, Anti Corrosion, Ionization  
Atomic
Atomic Number
13  
99+
78  
38
Electron Configuration
[Ne] 3s2 3p1  
[Xe] 4f14 5d9 6s1  
Crystal Structure
Face Centered Cubic (FCC)  
Face Centered Cubic (FCC)  
Crystal Lattice
FCC-Crystal-Structure-of-Aluminium.jpg#100  
FCC-Crystal-Structure-of-Platinum.jpg#100  
Atom
  
  
Number of Protons
13  
99+
78  
38
Number of Neutrons
14  
99+
117  
25
Number of Electrons
13  
99+
78  
38
Radius of an Atom
  
  
Atomic Radius
143.00 pm  
39
139.00 pm  
99+
Covalent Radius
121.00 pm  
99+
136.00 pm  
99+
Van der Waals Radius
184.00 pm  
99+
175.00 pm  
99+
Atomic Weight
26.98 amu  
99+
47.87 amu  
99+
Atomic Volume
10.00 cm3/mol  
99+
9.09 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Magnesium
  
Iridium
  
Next Element
Potassium
  
Gold
  
Valence Electron Potential
80.70 (-eV)  
17
392.42 (-eV)  
1
Lattice Constant
404.95 pm  
25
392.42 pm  
27
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.58  
34
1.56  
99+
Mechanical
Density
  
  
Density At Room Temperature
2.70 g/cm3  
99+
21.45 g/cm3  
11
Density When Liquid (at m.p.)
2.38 g/cm3  
99+
19.77 g/cm3  
12
Tensile Strength
40.00 MPa  
99+
125.00 MPa  
26
Viscosity
0.00  
23
0.00  
16
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
19
0.00 (Pa)  
16
Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.07 (Pa)  
18
Elasticity properties
  
  
Shear Modulus
26.00 GPa  
36
61.00 GPa  
14
Bulk Modulus
76.00 GPa  
19
230.00 GPa  
6
Young's Modulus
70.00 GPa  
30
168.00 GPa  
15
Poisson Ratio
0.35  
9
0.38  
6
Other Mechanical Properties
Ductile, Malleable  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
2.72  
99+
21.45  
13
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
18
0.00 H/m  
14
Susceptibility
0.00  
11
0.00  
20
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
28.20 nΩ·m  
99+
105.00 nΩ·m  
30
Electrical Conductivity
0.38 106/cm Ω  
4
0.10 106/cm Ω  
26
Electron Affinity
42.50 kJ/mol  
31
205.30 kJ/mol  
2
Thermal
Specific Heat
0.90 J/(kg K)  
5
0.13 J/(kg K)  
40
Molar Heat Capacity
24.20 J/mol·K  
99+
25.86 J/mol·K  
99+
Thermal Conductivity
237.00 W/m·K  
4
71.60 W/m·K  
24
Critical Temperature
933.00 K  
99+
2,041.00 K  
19
Thermal Expansion
23.10 µm/(m·K)  
18
8.80 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
293.70 kJ/mol  
99+
510.50 kJ/mol  
15
Enthalpy of Fusion
10.67 kJ/mol  
99+
19.70 kJ/mol  
12
Enthalpy of Atomization
322.20 kJ/mol  
99+
565.00 kJ/mol  
15
Standard Molar Entropy
28.30 J/mol.K  
99+
41.60 J/mol.K  
99+
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