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Lead Aluminium Comparison

Lead
Aluminium
Aluminium Lead comparison


Periodic Table
Symbol
Pb   
Al   
Group Number
14   
4
13   
5
Period Number
6   
3   
Block
p block   
p block   
Element Family
Post-​Transition   
Post-​Transition   
CAS Number
7439921   
99+
7429905   
99+
Space Group Name
Fm_ 3m   
Fm_ 3m   
Space Group Number
225.00   
2
225.00   
2
Facts
Interesting Facts
  • Galena mineral contains almost 87% of Lead metal in it, Galena is sulfide mineral.
  • The best available source of Lead metal today is by recycling automobile batteries.
  
  • 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.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals   
By Electrolysis Process, Earth's crust, Mining   
History
  
  
Who Discovered
Unknown   
Hans Christian Oersted   
Discovery
In Middle Easterns (7000 BCE)   
In 1825   
Abundance
  
  
Abundance In Universe
1 * 10-6 %   
16
5 * 10-3 %   
5
Abundance In Sun
~0.000001 %   
18
~0.006 %   
5
Abundance In Meteorites
0.00 %   
23
0.91 %   
5
Abundance In Earth's Crust
0.00 %   
26
8.10 %   
1
Abundance In Oceans
0.00 %   
22
0.00 %   
6
Abundance In Humans
0.00 %   
8
0.00 %   
10
Uses
Uses & Benefits
  • It is also used in insecticides, hair dyes and as an anti-knocking additive for petrol. But all these are banned by the government as Lead metal is known for detrimental to health.
  
  • Aluminum is used in a various products; for example, cans, foils, kitchen utensils, window frames, beer kegs and aero plane parts, automobile parts, etc.
  
Industrial Uses
Chemical Industry, Electrical Industry, Electronic Industry   
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   
Medical Uses
Surgical Instruments Manufacturing   
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   
Other Uses
Alloys   
Alloys, Jewellery, Sculptures, Statues   
Biological Properties
  
  
Toxicity
Toxic   
Non Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.21 Blood/mg dm-3   
11
0.39 Blood/mg dm-3   
9
In Bone
30.00 p.p.m.   
10
27.00 p.p.m.   
11
Physical Properties
Melting Point
327.50 °C   
99+
660.37 °C   
99+
Boiling Point
1,740.00 °C   
99+
2,467.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Gray   
Silvery Gray   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
1.50   
18
2.75   
13
Brinell Hardness
38.00 MPa   
99+
160.00 MPa   
99+
Vickers Hardness
Not Available   
160.00 MPa   
35
Speed of Sound
1,190.00 m/s   
99+
5,000.00 m/s   
10
Optical Properties
  
  
Reflectivity
Not Available   
71.00 %   
10
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
Pb   
Al   
Isotopes
  
  
Known Isotopes
35   
4
11   
27
Electronegativity
  
  
Pauling Electronegativity
1.87   
13
1.61   
22
Sanderson Electronegativity
2.29   
4
1.71   
13
Allred Rochow Electronegativity
1.55   
11
1.47   
14
Mulliken-Jaffe Electronegativity
2.41   
2
1.83   
8
Allen Electronegativity
1.85   
8
1.61   
20
Electropositivity
  
  
Pauling Electropositivity
1.67   
99+
2.39   
32
Ionization Energies
  
  
1st Energy Level
715.60 kJ/mol   
31
577.50 kJ/mol   
99+
2nd Energy Level
1,450.50 kJ/mol   
99+
1,816.70 kJ/mol   
19
3rd Energy Level
3,081.50 kJ/mol   
23
2,744.80 kJ/mol   
38
4th Energy Level
4,083.00 kJ/mol   
35
11,577.00 kJ/mol   
3
5th Energy Level
6,640.00 kJ/mol   
20
14,842.00 kJ/mol   
2
6th Energy Level
Not Available   
18,379.00 kJ/mol   
2
7th Energy level
Not Available   
23,326.00 kJ/mol   
2
8th Energy Level
Not Available   
27,465.00 kJ/mol   
2
9th Energy Level
Not Available   
31,853.00 kJ/mol   
2
10th Energy Level
Not Available   
38,473.00 kJ/mol   
4
11th Energy Level
Not Available   
42,647.00 kJ/mol   
5
Electrochemical Equivalent
3.87 g/amp-hr   
9
0.34 g/amp-hr   
99+
Electron Work Function
4.25 eV   
21
4.28 eV   
19
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes   
Chemical Stability, Ionization, Radioactive Isotopes   
Atomic Properties
Atomic Number
82   
34
13   
99+
Electron Configuration
[Xe] 4f14 5d10 6s2 6p2   
[Ne] 3s2 3p1   
Crystal Structure
Face Centered Cubic (FCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
FCC-Crystal-Structure-of-Lead.jpg#100   
FCC-Crystal-Structure-of-Aluminium.jpg#100   
Atom
  
  
Number of Protons
82   
34
13   
99+
Number of Neutrons
125   
19
14   
99+
Number of Electrons
82   
34
13   
99+
Radius of an Atom
  
  
Atomic Radius
175.00 pm   
19
143.00 pm   
37
Covalent Radius
146.00 pm   
38
121.00 pm   
99+
Van der Waals Radius
202.00 pm   
27
184.00 pm   
34
Atomic Weight
207.20 amu   
30
26.98 amu   
99+
Atomic Volume
18.17 cm3/mol   
27
10.00 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Thallium
  
Magnesium
  
Next Element
Bismuth
  
Potassium
  
Valence Electron Potential
24.20 (-eV)   
99+
80.70 (-eV)   
17
Lattice Constant
495.08 pm   
16
404.95 pm   
22
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
11.34 g/cm3   
33
2.70 g/cm3   
99+
Density When Liquid (at m.p.)
10.66 g/cm3   
15
2.38 g/cm3   
99+
Tensile Strength
12.00 MPa   
20
40.00 MPa   
19
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
1.64 (Pa)   
7
0.00 (Pa)   
18
Elasticity properties
  
  
Shear Modulus
5.60 GPa   
99+
26.00 GPa   
29
Bulk Modulus
46.00 GPa   
24
76.00 GPa   
18
Young's Modulus
16.00 GPa   
99+
70.00 GPa   
28
Poisson Ratio
0.44   
3
0.35   
9
Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
11.35   
25
2.72   
99+
Magnetic Ordering
Diamagnetic   
Paramagnetic   
Permeability
Not Available   
0.00 H/m   
4
Susceptibility
Not Available   
0.00   
3
Electrical Properties
  
  
Electrical Property
Poor Conductor   
Conductor   
Resistivity
208.00 nΩ·m   
16
28.20 nΩ·m   
99+
Electrical Conductivity
0.05 106/cm Ω   
36
0.38 106/cm Ω   
4
Electron Affinity
35.10 kJ/mol   
28
42.50 kJ/mol   
26
Thermal Properties
Specific Heat
0.13 J/(kg K)   
39
0.90 J/(kg K)   
5
Molar Heat Capacity
26.65 J/mol·K   
26
24.20 J/mol·K   
99+
Thermal Conductivity
35.30 W/m·K   
38
237.00 W/m·K   
4
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
28.90 µm/(m·K)   
13
23.10 µm/(m·K)   
17
Enthalpy
  
  
Enthalpy of Vaporization
179.40 kJ/mol   
99+
293.70 kJ/mol   
31
Enthalpy of Fusion
4.77 kJ/mol   
99+
10.67 kJ/mol   
35
Enthalpy of Atomization
194.60 kJ/mol   
99+
322.20 kJ/mol   
31
Standard Molar Entropy
64.80 J/mol.K   
17
28.30 J/mol.K   
99+
Summary >>
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