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Copper vs Iridium


Iridium vs Copper


Periodic Table

Symbol
Cu  
Ir  

Group Number
11  
7
9  
9

Period Number
4  
6  

Block
d block  
d block  

Element Family
Transition Metal  
Transition Metal  

CAS Number
7440508  
37
7439885  
99+

Space Group Name
Fm_ 3m  
Fm_ 3m  

Space Group Number
225.00  
3
225.00  
3

Facts

Interesting Facts
  • 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.
  
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
  

Sources
Found in Minerals  
Found in Minerals, Mining, Ores of Minerals  

History
  
  

Who Discovered
-  
Smithson Tennant  

Discovery
In Middle East (9000 BCE)  
In 1803  

Abundance
  
  

Abundance In Universe
0.00 %  
13
0.00 %  
23

Abundance In Sun
0.00 %  
12
0.00 %  
25

Abundance In Meteorites
0.01 %  
13
0.00 %  
29

Abundance In Earth's Crust
0.01 %  
17
0.00 %  
99+

Abundance In Oceans
0.00 %  
8
-  

Abundance In Humans
0.00 %  
10
0.00 %  
24

Uses

Uses & Benefits
  • 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.
  
  • Iridium has an anti corrosion properties and it is used in special alloy with Osmium metal and that alloy is used in pen tips and compass bearings.
  

Industrial Uses
Chemical Industry, Electronic Industry  
Automobile Industry, Electrical Industry, Electronic Industry  

Medical Uses
-  
-  

Other Uses
Alloys, Coinage, Jewellery  
Alloys  

Biological Properties
  
  

Toxicity
Non Toxic  
Toxic  

Present in Human Body
Yes  
Yes  

In Blood
1.01 Blood/mg dm-3  
8
0.00 Blood/mg dm-3  
40

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

Physical

Melting Point
1,084.62 °C  
40
2,410.00 °C  
7

Boiling Point
2,562.00 °C  
99+
4,527.00 °C  
10

Appearance
  
  

Physical State
Solid  
Solid  

Color
Copper  
Silvery White  

Luster
-  
Metallic  

Hardness
  
  

Mohs Hardness
3.00  
13
6.50  
5

Brinell Hardness
235.00 MPa  
99+
1,670.00 MPa  
5

Vickers Hardness
343.00 MPa  
99+
1,760.00 MPa  
8

Speed of Sound
3,810.00 m/s  
26
4,825.00 m/s  
17

Optical Properties
  
  

Refractive Index
1.10  
99+
2.40  
7

Reflectivity
90.00 %  
4
78.00 %  
8

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Cu  
Ir  

Isotopes
  
  

Known Isotopes
29  
10
34  
5

Electronegativity
  
  

Pauling Electronegativity
1.90  
12
2.20  
5

Sanderson Electronegativity
1.98  
11
2.20  
8

Allred Rochow Electronegativity
1.75  
4
1.55  
12

Mulliken-Jaffe Electronegativity
1.49  
27
2.20  
6

Allen Electronegativity
1.85  
12
1.68  
20

Electropositivity
  
  

Pauling Electropositivity
2.10  
99+
1.80  
99+

Ionization Energies
  
  

1st Energy Level
745.50 kJ/mol  
22
880.00 kJ/mol  
9

2nd Energy Level
1,957.90 kJ/mol  
15
1,600.00 kJ/mol  
36

3rd Energy Level
3,555.00 kJ/mol  
15
2,256.10 kJ/mol  
99+

4th Energy Level
5,536.00 kJ/mol  
21
880.00 kJ/mol  
99+

5th Energy Level
7,700.00 kJ/mol  
17
8,800.00 kJ/mol  
8

6th Energy Level
9,900.00 kJ/mol  
16
8,800.00 kJ/mol  
25

7th Energy level
13,400.00 kJ/mol  
7
8,800.00 kJ/mol  
22

8th Energy Level
16,000.00 kJ/mol  
9
8,800.00 kJ/mol  
22

9th Energy Level
19,200.00 kJ/mol  
9
8,800.00 kJ/mol  
21

10th Energy Level
22,400.00 kJ/mol  
11
8,800.00 kJ/mol  
23

11th Energy Level
25,600.00 kJ/mol  
13
8,800.00 kJ/mol  
20

12th Energy Level
35,600.00 kJ/mol  
27
8,800.00 kJ/mol  
40

13th Energy Level
38,700.00 kJ/mol  
6
8,800.00 kJ/mol  
15

14th Energy Level
42,000.00 kJ/mol  
7
8,800.00 kJ/mol  
14

15th Energy Level
46,700.00 kJ/mol  
99+
88,000.00 kJ/mol  
8

16th Energy Level
50,200.00 kJ/mol  
99+
88,000.00 kJ/mol  
9

17th Energy Level
53,700.00 kJ/mol  
12
880.00 kJ/mol  
26

18th Energy Level
61,100.00 kJ/mol  
10
8,800.00 kJ/mol  
15

19th Energy Level
64,702.00 kJ/mol  
11
880.00 kJ/mol  
24

20th Energy Level
163,700.00 kJ/mol  
2
880.00 kJ/mol  
14

21st Energy Level
174,100.00 kJ/mol  
2
880.00 kJ/mol  
37

22nd Energy Level
184,900.00 kJ/mol  
1
880.00 kJ/mol  
12

23rd Energy Level
198,800.00 kJ/mol  
1
8,800.00 kJ/mol  
7

24th Energy Level
745.50 kJ/mol  
19
880.00 kJ/mol  
8

25th Energy Level
745.50 kJ/mol  
19
880.00 kJ/mol  
6

26th Energy Level
745.50 kJ/mol  
19
880.00 kJ/mol  
6

27th Energy Level
745.50 kJ/mol  
18
880.00 kJ/mol  
5

28th Energy Level
745.50 kJ/mol  
24
880.00 kJ/mol  
8

29th Energy Level
745.50 kJ/mol  
25
880.00 kJ/mol  
9

30th Energy Level
745.50 kJ/mol  
19
880.00 kJ/mol  
6

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

Electron Work Function
4.65 eV  
16
4.55 eV  
18

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

Atomic

Atomic Number
29  
99+
77  
39

Electron Configuration
[Ar] 3d10 4s1  
[Xe] 4f14 5d7 6s2  

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

Crystal Lattice
FCC-Crystal-Structure-of-Copper.jpg#100  
FCC-Crystal-Structure-of-Iridium.jpg#100  

Atom
  
  

Number of Protons
29  
99+
74  
99+

Number of Neutrons
35  
99+
110  
28

Number of Electrons
29  
99+
74  
99+

Radius of an Atom
  
  

Atomic Radius
128.00 pm  
99+
136.00 pm  
99+

Covalent Radius
132.00 pm  
99+
141.00 pm  
99+

Van der Waals Radius
140.00 pm  
99+
202.00 pm  
34

Atomic Weight
63.55 amu  
99+
192.22 amu  
34

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

Adjacent Atomic Numbers
  
  

Previous Element
Nickel
  
Osmium
  

Next Element
Zinc
  
Platinum
  

Valence Electron Potential
34.00 (-eV)  
99+
140.00 (-eV)  
5

Lattice Constant
361.49 pm  
39
383.90 pm  
29

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

Lattice C/A Ratio
1.28  
99+
1.58  
35

Mechanical

Density
  
  

Density At Room Temperature
8.96 g/cm3  
99+
22.56 g/cm3  
10

Density When Liquid (at m.p.)
8.02 g/cm3  
99+
19.00 g/cm3  
13

Tensile Strength
210.00 MPa  
19
2,000.00 MPa  
2

Viscosity
0.00  
25
0.00  
21

Vapor Pressure
  
  

Vapor Pressure at 1000 K
1.53 (Pa)  
8
0.00 (Pa)  
37

Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
26

Elasticity properties
  
  

Shear Modulus
48.00 GPa  
15
210.00 GPa  
2

Bulk Modulus
140.00 GPa  
12
320.00 GPa  
3

Young's Modulus
120.00 GPa  
19
528.00 GPa  
1

Poisson Ratio
0.34  
10
0.26  
22

Other Mechanical Properties
Ductile, Malleable  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
8.89  
99+
21.78  
12

Magnetic Ordering
Diamagnetic  
Paramagnetic  

Permeability
0.00 H/m  
19
0.00 H/m  
16

Susceptibility
0.00  
31
0.00  
5

Electrical Properties
  
  

Electrical Property
Conductor  
Conductor  

Resistivity
16.78 nΩ·m  
99+
47.10 nΩ·m  
99+

Electrical Conductivity
0.60 106/cm Ω  
2
0.19 106/cm Ω  
10

Electron Affinity
222.80 kJ/mol  
1
151.00 kJ/mol  
4

Thermal

Specific Heat
0.38 J/(kg K)  
15
0.13 J/(kg K)  
40

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

Thermal Conductivity
401.00 W/m·K  
2
147.00 W/m·K  
10

Critical Temperature
1,358.00 K  
99+
2,719.00 K  
8

Thermal Expansion
16.50 µm/(m·K)  
27
6.40 µm/(m·K)  
99+

Enthalpy
  
  

Enthalpy of Vaporization
283.70 kJ/mol  
99+
799.10 kJ/mol  
1

Enthalpy of Fusion
7.11 kJ/mol  
99+
35.23 kJ/mol  
1

Enthalpy of Atomization
338.90 kJ/mol  
39
837.00 kJ/mol  
1

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

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