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Gallium Copper Comparison


Copper Gallium comparison


Periodic Table

Symbol
Ga  
Cu  

Group Number
13  
5
11  
7

Period Number
4  
4  

Block
p block  
d block  

Element Family
Post-​Transition  
Transition Metal  

CAS Number
7440553  
32
7440508  
37

Space Group Name
Cmca  
Fm_ 3m  

Space Group Number
64.00  
12
225.00  
3

Facts

Interesting Facts
  • A gram of Gallium metal can be bought for only three dollars.
  • Gallium metal found in ores of following things Coal, Bauxite, Diaspore, Sphalerite, Germanite and Zinc.
  
  • 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
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
Found in Minerals  

History
  
  

Who Discovered
Lecoq de Boisbaudran  
-  

Discovery
In 1875  
In Middle East (9000 BCE)  

Abundance
  
  

Abundance In Universe
0.00 %  
17
0.00 %  
13

Abundance In Sun
0.00 %  
16
0.00 %  
12

Abundance In Meteorites
0.00 %  
16
0.01 %  
13

Abundance In Earth's Crust
0.00 %  
24
0.01 %  
17

Abundance In Oceans
0.00 %  
22
0.00 %  
8

Abundance In Humans
0.00 %  
24
0.00 %  
10

Uses

Uses & Benefits
  • Gallium arsenide is a very important component of many semiconductors and led manufacturing.
  • Gallium nitride is also know as a semiconductor and it is used in Blu-ray technology, mobile smartphones and LED.
  
  • 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
Electrical Industry, Electronic Industry  
Chemical Industry, Electronic Industry  

Medical Uses
Surgical Instruments Manufacturing  
-  

Other Uses
Alloys  
Alloys, Coinage, Jewellery  

Biological Properties
  
  

Toxicity
Non Toxic  
Non Toxic  

Present in Human Body
Yes  
Yes  

In Blood
0.08 Blood/mg dm-3  
13
1.01 Blood/mg dm-3  
8

In Bone
0.00 p.p.m.  
99+
26.00 p.p.m.  
12

Physical

Melting Point
29.78 °C  
99+
1,084.62 °C  
40

Boiling Point
2,403.00 °C  
99+
2,562.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery White  
Copper  

Luster
Metallic  
-  

Hardness
  
  

Mohs Hardness
1.50  
19
3.00  
13

Brinell Hardness
56.80 MPa  
99+
235.00 MPa  
99+

Vickers Hardness
111.00 MPa  
99+
343.00 MPa  
99+

Speed of Sound
2,740.00 m/s  
99+
3,810.00 m/s  
26

Optical Properties
  
  

Refractive Index
1.81  
20
1.10  
99+

Reflectivity
36.00 %  
33
90.00 %  
4

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Ga  
Cu  

Isotopes
  
  

Known Isotopes
24  
15
29  
10

Electronegativity
  
  

Pauling Electronegativity
1.81  
16
1.90  
12

Sanderson Electronegativity
2.42  
2
1.98  
11

Allred Rochow Electronegativity
1.82  
2
1.75  
4

Mulliken-Jaffe Electronegativity
2.01  
9
1.49  
27

Allen Electronegativity
1.76  
17
1.85  
12

Electropositivity
  
  

Pauling Electropositivity
2.19  
40
2.10  
99+

Ionization Energies
  
  

1st Energy Level
578.80 kJ/mol  
99+
745.50 kJ/mol  
22

2nd Energy Level
1,979.30 kJ/mol  
13
1,957.90 kJ/mol  
15

3rd Energy Level
2,963.00 kJ/mol  
28
3,555.00 kJ/mol  
15

4th Energy Level
6,180.00 kJ/mol  
16
5,536.00 kJ/mol  
21

5th Energy Level
5,787.00 kJ/mol  
99+
7,700.00 kJ/mol  
17

6th Energy Level
5,787.00 kJ/mol  
99+
9,900.00 kJ/mol  
16

7th Energy level
5,780.00 kJ/mol  
99+
13,400.00 kJ/mol  
7

8th Energy Level
5,780.00 kJ/mol  
99+
16,000.00 kJ/mol  
9

9th Energy Level
5,787.00 kJ/mol  
99+
19,200.00 kJ/mol  
9

10th Energy Level
5,787.00 kJ/mol  
99+
22,400.00 kJ/mol  
11

11th Energy Level
5,780.00 kJ/mol  
99+
25,600.00 kJ/mol  
13

12th Energy Level
57,800.00 kJ/mol  
20
35,600.00 kJ/mol  
27

13th Energy Level
5,780.00 kJ/mol  
99+
38,700.00 kJ/mol  
6

14th Energy Level
578.00 kJ/mol  
99+
42,000.00 kJ/mol  
7

15th Energy Level
57,800.00 kJ/mol  
99+
46,700.00 kJ/mol  
99+

16th Energy Level
57,800.00 kJ/mol  
99+
50,200.00 kJ/mol  
99+

17th Energy Level
578.80 kJ/mol  
99+
53,700.00 kJ/mol  
12

18th Energy Level
5,787.00 kJ/mol  
99+
61,100.00 kJ/mol  
10

19th Energy Level
578.80 kJ/mol  
99+
64,702.00 kJ/mol  
11

20th Energy Level
578.00 kJ/mol  
99+
163,700.00 kJ/mol  
2

21st Energy Level
578.80 kJ/mol  
99+
174,100.00 kJ/mol  
2

22nd Energy Level
578.00 kJ/mol  
99+
184,900.00 kJ/mol  
1

23rd Energy Level
578.80 kJ/mol  
99+
198,800.00 kJ/mol  
1

24th Energy Level
578.80 kJ/mol  
99+
745.50 kJ/mol  
19

25th Energy Level
578.00 kJ/mol  
99+
745.50 kJ/mol  
19

26th Energy Level
578.80 kJ/mol  
99+
745.50 kJ/mol  
19

27th Energy Level
578.80 kJ/mol  
99+
745.50 kJ/mol  
18

28th Energy Level
578.80 kJ/mol  
99+
745.50 kJ/mol  
24

29th Energy Level
578.80 kJ/mol  
99+
745.50 kJ/mol  
25

30th Energy Level
578.80 kJ/mol  
99+
745.50 kJ/mol  
19

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

Electron Work Function
4.20 eV  
30
4.65 eV  
16

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

Atomic

Atomic Number
31  
99+
29  
99+

Electron Configuration
[Ar] 3d10 4s2 4p1  
[Ar] 3d10 4s1  

Crystal Structure
Orthorhombic (ORTH)  
Face Centered Cubic (FCC)  

Crystal Lattice
ORTH-Crystal-Structure-of-Gallium.jpg#100  
FCC-Crystal-Structure-of-Copper.jpg#100  

Atom
  
  

Number of Protons
31  
99+
29  
99+

Number of Neutrons
39  
99+
35  
99+

Number of Electrons
31  
99+
29  
99+

Radius of an Atom
  
  

Atomic Radius
135.00 pm  
99+
128.00 pm  
99+

Covalent Radius
122.00 pm  
99+
132.00 pm  
99+

Van der Waals Radius
187.00 pm  
39
140.00 pm  
99+

Atomic Weight
69.72 amu  
99+
63.55 amu  
99+

Atomic Volume
11.80 cm3/mol  
99+
7.10 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Zinc
  
Nickel
  

Next Element
Rubidium
  
Zinc
  

Valence Electron Potential
69.70 (-eV)  
19
34.00 (-eV)  
99+

Lattice Constant
451.97 pm  
20
361.49 pm  
39

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

Lattice C/A Ratio
1.30  
99+
1.28  
99+

Mechanical

Density
  
  

Density At Room Temperature
5.91 g/cm3  
99+
8.96 g/cm3  
99+

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

Tensile Strength
41.00 MPa  
99+
210.00 MPa  
19

Viscosity
0.00  
23
0.00  
25

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
15
1.53 (Pa)  
8

Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
30

Elasticity properties
  
  

Shear Modulus
7.20 GPa  
99+
48.00 GPa  
15

Bulk Modulus
37.30 GPa  
99+
140.00 GPa  
12

Young's Modulus
9.80 GPa  
99+
120.00 GPa  
19

Poisson Ratio
0.47  
1
0.34  
10

Other Mechanical Properties
-  
Ductile, Malleable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
5.91  
99+
8.89  
99+

Magnetic Ordering
Diamagnetic  
Diamagnetic  

Permeability
0.00 H/m  
11
0.00 H/m  
19

Susceptibility
0.00  
7
0.00  
31

Electrical Properties
  
  

Electrical Property
Semiconductor  
Conductor  

Resistivity
270.00 nΩ·m  
15
16.78 nΩ·m  
99+

Electrical Conductivity
0.07 106/cm Ω  
34
0.60 106/cm Ω  
2

Electron Affinity
28.90 kJ/mol  
37
222.80 kJ/mol  
1

Thermal

Specific Heat
0.37 J/(kg K)  
16
0.38 J/(kg K)  
15

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

Thermal Conductivity
40.60 W/m·K  
34
401.00 W/m·K  
2

Critical Temperature
302.00 K  
99+
1,358.00 K  
99+

Thermal Expansion
18.00 µm/(m·K)  
26
16.50 µm/(m·K)  
27

Enthalpy
  
  

Enthalpy of Vaporization
256.10 kJ/mol  
99+
283.70 kJ/mol  
99+

Enthalpy of Fusion
5.59 kJ/mol  
99+
7.11 kJ/mol  
99+

Enthalpy of Atomization
276.10 kJ/mol  
99+
338.90 kJ/mol  
39

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

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