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Iridium vs Iron

Iridium
Iron
Iron vs Iridium


Periodic Table
Symbol
Ir  
Fe  
Group Number
9  
9
8  
10
Period Number
6  
4  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7439885  
99+
7439896  
99+
Space Group Name
Fm_ 3m  
Im_ 3m  
Space Group Number
225.00  
2
229.00  
1
Facts
Interesting Facts
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
  
  • 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.
  
Sources
Found in Minerals, Mining, Ores of Minerals  
Earth's crust, Found in Minerals  
History
  
  
Who Discovered
Smithson Tennant  
Unknown  
Discovery
In 1803  
Before 5000 BC  
Abundance
  
  
Abundance In Universe
2 * 10-7 %  
22
1.1 * 10-1 %  
1
Abundance In Sun
~0.0000002 %  
25
~0.1 %  
1
Abundance In Meteorites
0.00 %  
29
22.00 %  
1
Abundance In Earth's Crust
0.00 %  
99+
6.30 %  
2
Abundance In Oceans
Not Available  
0.00 %  
12
Abundance In Humans
Not Available  
0.01 %  
5
Uses
Uses & Benefits
  • 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.
  
  • 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.
  
Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry  
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Medical Uses
NA  
Pharmaceutical Industry, Surgical Instruments Manufacturing  
Other Uses
Alloys  
Alloys, Sculptures, Statues  
Biological Properties
  
  
Toxicity
Toxic  
Non Toxic  
Present in Human Body
Yes  
Yes  
In Blood
Not Available  
447.00 Blood/mg dm-3  
3
In Bone
Not Available  
380.00 p.p.m.  
5
Physical Properties
Melting Point
2,410.00 °C  
7
1,535.00 °C  
25
Boiling Point
4,527.00 °C  
10
2,750.00 °C  
37
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Gray  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
6.50  
5
4.00  
10
Brinell Hardness
1,670.00 MPa  
5
200.00 MPa  
40
Vickers Hardness
1,760.00 MPa  
3
608.00 MPa  
18
Speed of Sound
4,825.00 m/s  
13
5,120.00 m/s  
8
Optical Properties
  
  
Reflectivity
78.00 %  
6
65.00 %  
12
Allotropes
No  
Yes  
α Allotropes
Not Available  
Ferrite (alpha Iron)  
β Allotropes
Not Available  
beta Iron  
γ Allotropes
Not Available  
gamma Iron  
Chemical Properties
Chemical Formula
Ir  
Fe  
Isotopes
  
  
Known Isotopes
34  
5
26  
13
Electronegativity
  
  
Pauling Electronegativity
2.20  
4
1.83  
14
Sanderson Electronegativity
Not Available  
2.20  
7
Allred Rochow Electronegativity
1.55  
11
1.64  
8
Allen Electronegativity
1.68  
17
1.80  
12
Electropositivity
  
  
Pauling Electropositivity
1.80  
99+
2.17  
40
Ionization Energies
  
  
1st Energy Level
880.00 kJ/mol  
9
762.50 kJ/mol  
17
2nd Energy Level
1,600.00 kJ/mol  
35
1,561.90 kJ/mol  
36
3rd Energy Level
Not Available  
2,957.00 kJ/mol  
29
4th Energy Level
Not Available  
5,290.00 kJ/mol  
16
5th Energy Level
Not Available  
7,240.00 kJ/mol  
16
6th Energy Level
Not Available  
9,560.00 kJ/mol  
14
7th Energy level
Not Available  
12,060.00 kJ/mol  
15
8th Energy Level
Not Available  
14,580.00 kJ/mol  
14
9th Energy Level
Not Available  
22,540.00 kJ/mol  
5
10th Energy Level
Not Available  
25,290.00 kJ/mol  
8
11th Energy Level
Not Available  
28,000.00 kJ/mol  
9
12th Energy Level
Not Available  
31,920.00 kJ/mol  
9
13th Energy Level
Not Available  
34,830.00 kJ/mol  
9
14th Energy Level
Not Available  
37,840.00 kJ/mol  
11
15th Energy Level
Not Available  
44,100.00 kJ/mol  
11
16th Energy Level
Not Available  
47,206.00 kJ/mol  
13
17th Energy Level
Not Available  
122,200.00 kJ/mol  
1
18th Energy Level
Not Available  
131,000.00 kJ/mol  
2
19th Energy Level
Not Available  
140,500.00 kJ/mol  
3
20th Energy Level
Not Available  
152,600.00 kJ/mol  
5
21st Energy Level
Not Available  
163,000.00 kJ/mol  
5
22nd Energy Level
Not Available  
173,600.00 kJ/mol  
4
23rd Energy Level
Not Available  
188,100.00 kJ/mol  
4
24th Energy Level
Not Available  
195,200.00 kJ/mol  
1
Electrochemical Equivalent
1.14 g/amp-hr  
99+
0.69 g/amp-hr  
99+
Electron Work Function
4.55 eV  
13
4.70 eV  
10
Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity  
Corrosion, Ionization, Solubility  
Atomic Properties
Atomic Number
77  
39
26  
99+
Electron Configuration
[Xe] 4f14 5d7 6s2  
[Ar] 3d6 4s2  
Crystal Structure
Face Centered Cubic (FCC)  
Body Centered Cubic (BCC)  
Crystal Lattice
FCC-Crystal-Structure-of-Iridium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
74  
99+
26  
99+
Number of Neutrons
110  
27
30  
99+
Number of Electrons
74  
99+
26  
99+
Radius of an Atom
  
  
Atomic Radius
136.00 pm  
99+
126.00 pm  
99+
Covalent Radius
141.00 pm  
99+
132.00 pm  
99+
Van der Waals Radius
202.00 pm  
27
200.00 pm  
28
Atomic Weight
192.22 amu  
34
55.85 amu  
99+
Atomic Volume
9.53 cm3/mol  
99+
7.10 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Osmium
  
Manganese
  
Next Element
Platinum
  
Cobalt
  
Valence Electron Potential
140.00 (-eV)  
5
67.00 (-eV)  
20
Lattice Constant
383.90 pm  
26
286.65 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
Not Available  
Not Available  
Mechanical Properties
Density
  
  
Density At Room Temperature
22.56 g/cm3  
10
7.87 g/cm3  
99+
Density When Liquid (at m.p.)
19.00 g/cm3  
3
6.98 g/cm3  
35
Tensile Strength
2,000.00 MPa  
2
11,000.00 MPa  
1
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available  
0.00 (Pa)  
28
Vapor Pressure at 2000 K
0.00 (Pa)  
25
36.80 (Pa)  
5
Elasticity properties
  
  
Shear Modulus
210.00 GPa  
2
82.00 GPa  
11
Bulk Modulus
320.00 GPa  
3
170.00 GPa  
10
Young's Modulus
528.00 GPa  
1
211.00 GPa  
9
Poisson Ratio
0.26  
22
0.29  
15
Other Mechanical Properties
NA  
Ductile, Malleable, Weldable  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
21.78  
3
7.20  
99+
Magnetic Ordering
Paramagnetic  
Ferromagnetic  
Permeability
Not Available  
6.3 * 10-3 H/m  
1
Susceptibility
Not Available  
2,00,000.00  
1
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
47.10 nΩ·m  
99+
96.10 nΩ·m  
32
Electrical Conductivity
0.19 106/cm Ω  
10
0.10 106/cm Ω  
20
Electron Affinity
151.00 kJ/mol  
4
15.70 kJ/mol  
34
Thermal Properties
Specific Heat
0.13 J/(kg K)  
39
0.44 J/(kg K)  
13
Molar Heat Capacity
25.10 J/mol·K  
99+
25.10 J/mol·K  
99+
Thermal Conductivity
147.00 W/m·K  
10
80.40 W/m·K  
22
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
6.40 µm/(m·K)  
99+
11.80 µm/(m·K)  
33
Enthalpy
  
  
Enthalpy of Vaporization
799.10 kJ/mol  
1
351.00 kJ/mol  
23
Enthalpy of Fusion
35.23 kJ/mol  
1
14.90 kJ/mol  
22
Enthalpy of Atomization
837.00 kJ/mol  
1
414.20 kJ/mol  
19
Standard Molar Entropy
35.50 J/mol.K  
99+
27.30 J/mol.K  
99+
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