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Iron Iridium Comparison


Iridium Iron comparison


Periodic Table

Symbol
Fe  
Ir  

Group Number
8  
10
9  
9

Period Number
4  
6  

Block
d block  
d block  

Element Family
Transition Metal  
Transition Metal  

CAS Number
7439896  
99+
7439885  
99+

Space Group Name
Im_ 3m  
Fm_ 3m  

Space Group Number
229.00  
2
225.00  
3

Facts

Interesting Facts
  • Iron is not always magnetic in nature, its allotrope are ferromagnetic and the B allotrope is nonmagnetic.
  • The blood consists Iron in hemoglobin molecules to transfer Oxygen in the body.
  
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
  

Sources
Earth's crust, Found in Minerals  
Found in Minerals, Mining, Ores of Minerals  

History
  
  

Who Discovered
-  
Smithson Tennant  

Discovery
Before 5000 BC  
In 1803  

Abundance
  
  

Abundance In Universe
0.11 %  
1
0.00 %  
23

Abundance In Sun
0.10 %  
1
0.00 %  
25

Abundance In Meteorites
22.00 %  
1
0.00 %  
29

Abundance In Earth's Crust
6.30 %  
2
0.00 %  
99+

Abundance In Oceans
0.00 %  
12
-  

Abundance In Humans
0.01 %  
6
0.00 %  
24

Uses

Uses & Benefits
  • Iron metal alloy steel is used in the application of civil engineering and manufacturing.
  • Alloys of iron with nickel, vanadium, chromium, tungsten and manganese have very useful properties.
  
  • 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
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Automobile Industry, Electrical Industry, Electronic Industry  

Medical Uses
Pharmaceutical Industry, Surgical Instruments Manufacturing  
-  

Other Uses
Alloys, Sculptures, Statues  
Alloys  

Biological Properties
  
  

Toxicity
Non Toxic  
Toxic  

Present in Human Body
Yes  
Yes  

In Blood
447.00 Blood/mg dm-3  
3
0.00 Blood/mg dm-3  
40

In Bone
380.00 p.p.m.  
5
0.00 p.p.m.  
99+

Physical

Melting Point
1,535.00 °C  
25
2,410.00 °C  
7

Boiling Point
2,750.00 °C  
39
4,527.00 °C  
10

Appearance
  
  

Physical State
Solid  
Solid  

Color
Gray  
Silvery White  

Luster
Metallic  
Metallic  

Hardness
  
  

Mohs Hardness
4.00  
11
6.50  
5

Brinell Hardness
200.00 MPa  
99+
1,670.00 MPa  
5

Vickers Hardness
608.00 MPa  
27
1,760.00 MPa  
8

Speed of Sound
5,120.00 m/s  
12
4,825.00 m/s  
17

Optical Properties
  
  

Refractive Index
2.60  
4
2.40  
7

Reflectivity
65.00 %  
18
78.00 %  
8

Allotropes
Yes  
No  

α Allotropes
Ferrite (alpha Iron)  
-  

β Allotropes
beta Iron  
-  

γ Allotropes
gamma Iron  
-  

Chemical

Chemical Formula
Fe  
Ir  

Isotopes
  
  

Known Isotopes
26  
13
34  
5

Electronegativity
  
  

Pauling Electronegativity
1.83  
15
2.20  
5

Sanderson Electronegativity
2.20  
8
2.20  
8

Allred Rochow Electronegativity
1.64  
9
1.55  
12

Mulliken-Jaffe Electronegativity
1.83  
16
2.20  
6

Allen Electronegativity
1.80  
15
1.68  
20

Electropositivity
  
  

Pauling Electropositivity
2.17  
99+
1.80  
99+

Ionization Energies
  
  

1st Energy Level
762.50 kJ/mol  
17
880.00 kJ/mol  
9

2nd Energy Level
1,561.90 kJ/mol  
37
1,600.00 kJ/mol  
36

3rd Energy Level
2,957.00 kJ/mol  
29
2,256.10 kJ/mol  
99+

4th Energy Level
5,290.00 kJ/mol  
25
880.00 kJ/mol  
99+

5th Energy Level
7,240.00 kJ/mol  
25
8,800.00 kJ/mol  
8

6th Energy Level
9,560.00 kJ/mol  
20
8,800.00 kJ/mol  
25

7th Energy level
12,060.00 kJ/mol  
15
8,800.00 kJ/mol  
22

8th Energy Level
14,580.00 kJ/mol  
14
8,800.00 kJ/mol  
22

9th Energy Level
22,540.00 kJ/mol  
5
8,800.00 kJ/mol  
21

10th Energy Level
25,290.00 kJ/mol  
8
8,800.00 kJ/mol  
23

11th Energy Level
28,000.00 kJ/mol  
9
8,800.00 kJ/mol  
20

12th Energy Level
31,920.00 kJ/mol  
31
8,800.00 kJ/mol  
40

13th Energy Level
34,830.00 kJ/mol  
9
8,800.00 kJ/mol  
15

14th Energy Level
37,840.00 kJ/mol  
11
8,800.00 kJ/mol  
14

15th Energy Level
44,100.00 kJ/mol  
99+
88,000.00 kJ/mol  
8

16th Energy Level
47,206.00 kJ/mol  
99+
88,000.00 kJ/mol  
9

17th Energy Level
122,200.00 kJ/mol  
1
880.00 kJ/mol  
26

18th Energy Level
131,000.00 kJ/mol  
2
8,800.00 kJ/mol  
15

19th Energy Level
140,500.00 kJ/mol  
3
880.00 kJ/mol  
24

20th Energy Level
152,600.00 kJ/mol  
5
880.00 kJ/mol  
14

21st Energy Level
163,000.00 kJ/mol  
5
880.00 kJ/mol  
37

22nd Energy Level
173,600.00 kJ/mol  
4
880.00 kJ/mol  
12

23rd Energy Level
188,100.00 kJ/mol  
4
8,800.00 kJ/mol  
7

24th Energy Level
195,200.00 kJ/mol  
1
880.00 kJ/mol  
8

25th Energy Level
762.00 kJ/mol  
15
880.00 kJ/mol  
6

26th Energy Level
762.50 kJ/mol  
15
880.00 kJ/mol  
6

27th Energy Level
762.50 kJ/mol  
14
880.00 kJ/mol  
5

28th Energy Level
762.50 kJ/mol  
20
880.00 kJ/mol  
8

29th Energy Level
762.50 kJ/mol  
20
880.00 kJ/mol  
9

30th Energy Level
762.00 kJ/mol  
15
880.00 kJ/mol  
6

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

Electron Work Function
4.70 eV  
15
4.55 eV  
18

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

Atomic

Atomic Number
26  
99+
77  
39

Electron Configuration
[Ar] 3d6 4s2  
[Xe] 4f14 5d7 6s2  

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

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

Atom
  
  

Number of Protons
26  
99+
74  
99+

Number of Neutrons
30  
99+
110  
28

Number of Electrons
26  
99+
74  
99+

Radius of an Atom
  
  

Atomic Radius
126.00 pm  
99+
136.00 pm  
99+

Covalent Radius
132.00 pm  
99+
141.00 pm  
99+

Van der Waals Radius
200.00 pm  
35
202.00 pm  
34

Atomic Weight
55.85 amu  
99+
192.22 amu  
34

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

Adjacent Atomic Numbers
  
  

Previous Element
Manganese
  
Osmium
  

Next Element
Cobalt
  
Platinum
  

Valence Electron Potential
67.00 (-eV)  
20
140.00 (-eV)  
5

Lattice Constant
286.65 pm  
99+
383.90 pm  
29

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

Lattice C/A Ratio
1.35  
99+
1.58  
35

Mechanical

Density
  
  

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

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

Tensile Strength
11,000.00 MPa  
1
2,000.00 MPa  
2

Viscosity
0.00  
19
0.00  
21

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
30
0.00 (Pa)  
37

Vapor Pressure at 2000 K
36.80 (Pa)  
5
0.00 (Pa)  
26

Elasticity properties
  
  

Shear Modulus
82.00 GPa  
11
210.00 GPa  
2

Bulk Modulus
170.00 GPa  
10
320.00 GPa  
3

Young's Modulus
211.00 GPa  
9
528.00 GPa  
1

Poisson Ratio
0.29  
15
0.26  
22

Other Mechanical Properties
Ductile, Malleable, Weldable  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
7.20  
99+
21.78  
12

Magnetic Ordering
Ferromagnetic  
Paramagnetic  

Permeability
0.01 H/m  
1
0.00 H/m  
16

Susceptibility
200,000.00  
1
0.00  
5

Electrical Properties
  
  

Electrical Property
Conductor  
Conductor  

Resistivity
96.10 nΩ·m  
32
47.10 nΩ·m  
99+

Electrical Conductivity
0.10 106/cm Ω  
24
0.19 106/cm Ω  
10

Electron Affinity
15.70 kJ/mol  
40
151.00 kJ/mol  
4

Thermal

Specific Heat
0.44 J/(kg K)  
13
0.13 J/(kg K)  
40

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

Thermal Conductivity
80.40 W/m·K  
22
147.00 W/m·K  
10

Critical Temperature
1,811.00 K  
29
2,719.00 K  
8

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

Enthalpy
  
  

Enthalpy of Vaporization
351.00 kJ/mol  
33
799.10 kJ/mol  
1

Enthalpy of Fusion
14.90 kJ/mol  
23
35.23 kJ/mol  
1

Enthalpy of Atomization
414.20 kJ/mol  
24
837.00 kJ/mol  
1

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

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