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Magnesium vs Copper


Copper vs Magnesium


Periodic Table

Symbol
Mg   
Cu   

Group Number
2   
16
11   
7

Period Number
3   
4   

Block
s block   
d block   

Element Family
Alkaline Earth   
Transition Metal   

CAS Number
7439954   
99+
7440508   
37

Space Group Name
P63/mmc   
Fm_ 3m   

Space Group Number
194.00   
5
225.00   
2

Facts

Interesting Facts
  • Magnesium ions are present in every chlorophyll of every green plant .
  • Controlling Magnesium fire by pouring water on it will result in explosions.
  
  • 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.
  

Sources
By Electrolysis Process, In Ocean, Mining   
Found in Minerals   

History
  
  

Who Discovered
Joseph Black   
Unknown   

Discovery
In 1755   
In Middle East (9000 BCE)   

Abundance
  
  

Abundance In Universe
6 * 10-2 %   
2
6 * 10-6 %   
12

Abundance In Sun
~0.07 %   
2
~0.00007 %   
12

Abundance In Meteorites
12.00 %   
2
0.01 %   
13

Abundance In Earth's Crust
2.90 %   
4
0.01 %   
17

Abundance In Oceans
0.13 %   
2
0.00 %   
8

Abundance In Humans
0.03 %   
4
0.00 %   
9

Uses

Uses & Benefits
  • Magnesium aluminum alloy improves the mechanical strength and welding characteristics and hence it is used in aeroplane and car manufacturing.
  • It is also used to remove sulfur from the molten iron and steel.
  
  • 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.
  

Industrial Uses
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Pharmaceutical Industry   
Chemical Industry, Electronic Industry   

Medical Uses
NA   
NA   

Other Uses
Surgical Instruments Manufacturing   
Alloys, Coinage, Jewellery   

Biological Properties
  
  

Toxicity
Non Toxic   
Non Toxic   

Present in Human Body
Yes   
Yes   

In Blood
37.80 Blood/mg dm-3   
5
1.01 Blood/mg dm-3   
8

In Bone
1,800.00 p.p.m.   
4
26.00 p.p.m.   
12

Physical Properties

Melting Point
650.00 °C   
99+
1,084.62 °C   
40

Boiling Point
1,107.00 °C   
99+
2,562.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Gray   
Copper   

Luster
NA   
NA   

Hardness
  
  

Mohs Hardness
2.50   
14
3.00   
12

Brinell Hardness
260.00 MPa   
36
235.00 MPa   
38

Vickers Hardness
Not Available   
343.00 MPa   
28

Speed of Sound
4,940.00 m/s   
11
3,810.00 m/s   
19

Optical Properties
  
  

Reflectivity
74.00 %   
7
90.00 %   
3

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
Mg   
Cu   

Isotopes
  
  

Known Isotopes
15   
24
29   
10

Electronegativity
  
  

Pauling Electronegativity
1.31   
31
1.90   
11

Sanderson Electronegativity
1.32   
18
1.98   
9

Allred Rochow Electronegativity
1.23   
25
1.75   
3

Mulliken-Jaffe Electronegativity
1.37   
16
1.49   
14

Allen Electronegativity
1.29   
35
1.85   
9

Electropositivity
  
  

Pauling Electropositivity
2.69   
23
2.10   
99+

Ionization Energies
  
  

1st Energy Level
737.70 kJ/mol   
24
745.50 kJ/mol   
22

2nd Energy Level
1,450.70 kJ/mol   
99+
1,957.90 kJ/mol   
15

3rd Energy Level
7,732.70 kJ/mol   
5
3,555.00 kJ/mol   
15

4th Energy Level
10,542.50 kJ/mol   
4
5,536.00 kJ/mol   
12

5th Energy Level
13,630.00 kJ/mol   
3
7,700.00 kJ/mol   
11

6th Energy Level
18,020.00 kJ/mol   
3
9,900.00 kJ/mol   
10

7th Energy level
21,711.00 kJ/mol   
3
13,400.00 kJ/mol   
7

8th Energy Level
25,661.00 kJ/mol   
3
16,000.00 kJ/mol   
9

9th Energy Level
31,653.00 kJ/mol   
3
19,200.00 kJ/mol   
9

10th Energy Level
35,458.00 kJ/mol   
5
22,400.00 kJ/mol   
11

11th Energy Level
169,988.00 kJ/mol   
1
25,600.00 kJ/mol   
13

12th Energy Level
189,368.00 kJ/mol   
1
35,600.00 kJ/mol   
6

13th Energy Level
Not Available   
38,700.00 kJ/mol   
6

14th Energy Level
Not Available   
42,000.00 kJ/mol   
7

15th Energy Level
Not Available   
46,700.00 kJ/mol   
9

16th Energy Level
Not Available   
50,200.00 kJ/mol   
10

17th Energy Level
Not Available   
53,700.00 kJ/mol   
12

18th Energy Level
Not Available   
61,100.00 kJ/mol   
10

19th Energy Level
Not Available   
64,702.00 kJ/mol   
11

20th Energy Level
Not Available   
163,700.00 kJ/mol   
2

21st Energy Level
Not Available   
174,100.00 kJ/mol   
2

22nd Energy Level
Not Available   
184,900.00 kJ/mol   
1

23rd Energy Level
Not Available   
198,800.00 kJ/mol   
1

Electrochemical Equivalent
0.45 g/amp-hr   
99+
1.19 g/amp-hr   
99+

Electron Work Function
3.66 eV   
29
4.65 eV   
11

Other Chemical Properties
Corrosion, Highly Inflammable, Ionization, Solubility   
Chemical Stability, Corrosion, Ionization, Solubility   

Atomic Properties

Atomic Number
12   
99+
29   
99+

Electron Configuration
[Ne] 3s2   
[Ar] 3d10 4s1   

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

Crystal Lattice
HCP-Crystal-Structure-of-Magnesium.jpg#100   
FCC-Crystal-Structure-of-Copper.jpg#100   

Atom
  
  

Number of Protons
12   
99+
29   
99+

Number of Neutrons
12   
99+
35   
99+

Number of Electrons
12   
99+
29   
99+

Radius of an Atom
  
  

Atomic Radius
160.00 pm   
27
128.00 pm   
99+

Covalent Radius
141.00 pm   
99+
132.00 pm   
99+

Van der Waals Radius
173.00 pm   
37
140.00 pm   
99+

Atomic Weight
24.31 amu   
99+
63.55 amu   
99+

Atomic Volume
13.97 cm3/mol   
37
7.10 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Sodium
  
Nickel
  

Next Element
Aluminium
  
Zinc
  

Valence Electron Potential
40.00 (-eV)   
99+
34.00 (-eV)   
99+

Lattice Constant
320.94 pm   
99+
361.49 pm   
35

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
1.74 g/cm3   
99+
8.96 g/cm3   
99+

Density When Liquid (at m.p.)
1.58 g/cm3   
99+
8.02 g/cm3   
27

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
1.53 (Pa)   
8

Elasticity properties
  
  

Shear Modulus
17.00 GPa   
37
48.00 GPa   
15

Bulk Modulus
45.00 GPa   
25
140.00 GPa   
12

Young's Modulus
45.00 GPa   
39
120.00 GPa   
17

Poisson Ratio
0.29   
15
0.34   
10

Other Mechanical Properties
NA   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
1.74   
99+
8.89   
34

Magnetic Ordering
Paramagnetic   
Diamagnetic   

Permeability
Not Available   
1.256629 * 10-6 H/m   
5

Susceptibility
Not Available   
-9.63 * 10-6   
4

Electrical Properties
  
  

Electrical Property
Conductor   
Conductor   

Resistivity
43.90 nΩ·m   
99+
16.78 nΩ·m   
99+

Electrical Conductivity
0.23 106/cm Ω   
7
0.60 106/cm Ω   
2

Electron Affinity
0.00 kJ/mol   
40
222.80 kJ/mol   
1

Thermal Properties

Specific Heat
1.02 J/(kg K)   
4
0.38 J/(kg K)   
15

Molar Heat Capacity
24.87 J/mol·K   
99+
24.44 J/mol·K   
99+

Thermal Conductivity
156.00 W/m·K   
8
401.00 W/m·K   
2

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
24.80 µm/(m·K)   
15
16.50 µm/(m·K)   
25

Enthalpy
  
  

Enthalpy of Vaporization
128.70 kJ/mol   
99+
283.70 kJ/mol   
33

Enthalpy of Fusion
8.95 kJ/mol   
39
7.11 kJ/mol   
99+

Enthalpy of Atomization
148.50 kJ/mol   
99+
338.90 kJ/mol   
29

Standard Molar Entropy
32.70 J/mol.K   
99+
33.20 J/mol.K   
99+

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