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Zinc Aluminium Comparison


Aluminium Zinc comparison


Periodic Table

Symbol
Zn   
Al   

Group Number
12   
6
13   
5

Period Number
4   
3   

Block
d block   
p block   

Element Family
Transition Metal   
Post-​Transition   

CAS Number
7440666   
24
7429905   
99+

Space Group Name
P63/mmc   
Fm_ 3m   

Space Group Number
194.00   
5
225.00   
2

Facts

Interesting Facts
  • Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
  • The leading producers of Zinc metal are Australia, Canada, China, U.S.A and Peru.
  
  • 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 Minerals   
By Electrolysis Process, Earth's crust, Mining   

History
  
  

Who Discovered
Indian metallurgists   
Hans Christian Oersted   

Discovery
Before 1000 BCE   
In 1825   

Abundance
  
  

Abundance In Universe
3 * 10-5 %   
11
5 * 10-3 %   
5

Abundance In Sun
~0.0002 %   
10
~0.006 %   
5

Abundance In Meteorites
0.02 %   
12
0.91 %   
5

Abundance In Earth's Crust
0.01 %   
16
8.10 %   
1

Abundance In Oceans
0.00 %   
10
0.00 %   
6

Abundance In Humans
0.00 %   
6
0.00 %   
10

Uses

Uses & Benefits
  • It is mainly used for Galvanizing other metals.
  • It is also used for manufacturing die-casting and it is very essential for automobile industry.
  
  • 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
Electrical Industry, Electronic Industry   
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   

Medical Uses
Pharmaceutical Industry   
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   

Other Uses
Alloys   
Alloys, Jewellery, Sculptures, Statues   

Biological Properties
  
  

Toxicity
Highly Toxic   
Non Toxic   

Present in Human Body
Yes   
Yes   

In Blood
7.00 Blood/mg dm-3   
6
0.39 Blood/mg dm-3   
9

In Bone
170.00 p.p.m.   
6
27.00 p.p.m.   
11

Physical Properties

Melting Point
419.58 °C   
99+
660.37 °C   
99+

Boiling Point
907.00 °C   
99+
2,467.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery Gray   
Silvery Gray   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
2.50   
14
2.75   
13

Brinell Hardness
327.00 MPa   
32
160.00 MPa   
99+

Vickers Hardness
Not Available   
160.00 MPa   
35

Speed of Sound
3,850.00 m/s   
18
5,000.00 m/s   
10

Optical Properties
  
  

Refractive Index
1.00   
2
Not Available   

Reflectivity
80.00 %   
5
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
Zn   
Al   

Isotopes
  
  

Known Isotopes
25   
14
11   
27

Electronegativity
  
  

Pauling Electronegativity
1.65   
19
1.61   
22

Sanderson Electronegativity
2.23   
6
1.71   
13

Allred Rochow Electronegativity
1.66   
7
1.47   
14

Mulliken-Jaffe Electronegativity
1.65   
11
1.83   
8

Allen Electronegativity
1.59   
22
1.61   
20

Electropositivity
  
  

Pauling Electropositivity
2.35   
35
2.39   
32

Ionization Energies
  
  

1st Energy Level
906.40 kJ/mol   
6
577.50 kJ/mol   
99+

2nd Energy Level
1,733.30 kJ/mol   
27
1,816.70 kJ/mol   
19

3rd Energy Level
3,833.00 kJ/mol   
12
2,744.80 kJ/mol   
38

4th Energy Level
5,731.00 kJ/mol   
11
11,577.00 kJ/mol   
3

5th Energy Level
7,970.00 kJ/mol   
9
14,842.00 kJ/mol   
2

6th Energy Level
10,400.00 kJ/mol   
9
18,379.00 kJ/mol   
2

7th Energy level
12,900.00 kJ/mol   
9
23,326.00 kJ/mol   
2

8th Energy Level
16,800.00 kJ/mol   
6
27,465.00 kJ/mol   
2

9th Energy Level
19,600.00 kJ/mol   
8
31,853.00 kJ/mol   
2

10th Energy Level
23,000.00 kJ/mol   
10
38,473.00 kJ/mol   
4

11th Energy Level
26,400.00 kJ/mol   
11
42,647.00 kJ/mol   
5

12th Energy Level
29,990.00 kJ/mol   
11
Not Available   

13th Energy Level
40,490.00 kJ/mol   
5
Not Available   

14th Energy Level
43,800.00 kJ/mol   
6
Not Available   

15th Energy Level
47,300.00 kJ/mol   
8
Not Available   

16th Energy Level
52,300.00 kJ/mol   
9
Not Available   

17th Energy Level
55,900.00 kJ/mol   
10
Not Available   

18th Energy Level
59,700.00 kJ/mol   
11
Not Available   

19th Energy Level
67,300.00 kJ/mol   
10
Not Available   

20th Energy Level
171,200.00 kJ/mol   
1
Not Available   

21st Energy Level
179,100.00 kJ/mol   
1
Not Available   

Electrochemical Equivalent
1.22 g/amp-hr   
99+
0.34 g/amp-hr   
99+

Electron Work Function
4.33 eV   
17
4.28 eV   
19

Other Chemical Properties
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes   
Chemical Stability, Ionization, Radioactive Isotopes   

Atomic Properties

Atomic Number
30   
99+
13   
99+

Electron Configuration
[Ar] 3d10 4s2   
[Ne] 3s2 3p1   

Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
HCP-Crystal-Structure-of-Zinc.jpg#100   
FCC-Crystal-Structure-of-Aluminium.jpg#100   

Atom
  
  

Number of Protons
30   
99+
13   
99+

Number of Neutrons
35   
99+
14   
99+

Number of Electrons
30   
99+
13   
99+

Radius of an Atom
  
  

Atomic Radius
134.00 pm   
99+
143.00 pm   
37

Covalent Radius
122.00 pm   
99+
121.00 pm   
99+

Van der Waals Radius
139.00 pm   
99+
184.00 pm   
34

Atomic Weight
65.38 amu   
99+
26.98 amu   
99+

Atomic Volume
9.20 cm3/mol   
99+
10.00 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Copper
  
Magnesium
  

Next Element
Gallium
  
Potassium
  

Valence Electron Potential
38.90 (-eV)   
99+
80.70 (-eV)   
17

Lattice Constant
266.49 pm   
99+
404.95 pm   
22

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
7.14 g/cm3   
99+
2.70 g/cm3   
99+

Density When Liquid (at m.p.)
6.57 g/cm3   
37
2.38 g/cm3   
99+

Tensile Strength
Not Available   
40.00 MPa   
19

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
18

Elasticity properties
  
  

Shear Modulus
43.00 GPa   
18
26.00 GPa   
29

Bulk Modulus
70.00 GPa   
19
76.00 GPa   
18

Young's Modulus
108.00 GPa   
19
70.00 GPa   
28

Poisson Ratio
0.25   
24
0.35   
9

Other Mechanical Properties
NA   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
6.90   
99+
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
Conductor   
Conductor   

Resistivity
59.00 nΩ·m   
40
28.20 nΩ·m   
99+

Electrical Conductivity
0.17 106/cm Ω   
12
0.38 106/cm Ω   
4

Electron Affinity
0.00 kJ/mol   
40
42.50 kJ/mol   
26

Thermal Properties

Specific Heat
0.39 J/(kg K)   
14
0.90 J/(kg K)   
5

Molar Heat Capacity
25.47 J/mol·K   
39
24.20 J/mol·K   
99+

Thermal Conductivity
116.00 W/m·K   
14
237.00 W/m·K   
4

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
30.20 µm/(m·K)   
11
23.10 µm/(m·K)   
17

Enthalpy
  
  

Enthalpy of Vaporization
7.32 kJ/mol   
99+
293.70 kJ/mol   
31

Enthalpy of Fusion
7.32 kJ/mol   
99+
10.67 kJ/mol   
35

Enthalpy of Atomization
129.70 kJ/mol   
99+
322.20 kJ/mol   
31

Standard Molar Entropy
41.60 J/mol.K   
36
28.30 J/mol.K   
99+

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