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Iron vs Iron

Iron
Iron
Iron vs Iron


Periodic Table
Symbol
Fe  
Fe  
Group Number
8  
10
8  
10
Period Number
4  
4  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7439896  
99+
7439896  
99+
Space Group Name
Im_ 3m  
Im_ 3m  
Space Group Number
229.00  
1
229.00  
1
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.
  
  • 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
Earth's crust, Found in Minerals  
Earth's crust, Found in Minerals  
History
  
  
Discovery
Before 5000 BC  
Before 5000 BC  
Abundance
  
  
Abundance In Universe
1.1 * 10-1 %  
1
1.1 * 10-1 %  
1
Abundance In Sun
~0.1 %  
1
~0.1 %  
1
Abundance In Meteorites
22.00 %  
1
22.00 %  
1
Abundance In Earth's Crust
6.30 %  
2
6.30 %  
2
Abundance In Oceans
0.00 %  
12
0.00 %  
12
Abundance In Humans
0.01 %  
5
0.01 %  
5
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.
  
  • 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
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Medical Uses
Pharmaceutical Industry, Surgical Instruments Manufacturing  
Pharmaceutical Industry, Surgical Instruments Manufacturing  
Other Uses
Alloys, Sculptures, Statues  
Alloys, Sculptures, Statues  
Biological Properties
  
  
Toxicity
Non Toxic  
Non Toxic  
Present in Human Body
Yes  
Yes  
In Blood
447.00 Blood/mg dm-3  
3
447.00 Blood/mg dm-3  
3
In Bone
380.00 p.p.m.  
5
380.00 p.p.m.  
5
Physical Properties
Melting Point
1,535.00 °C  
25
1,535.00 °C  
25
Boiling Point
2,750.00 °C  
37
2,750.00 °C  
37
Appearance
  
  
Physical State
Solid  
Solid  
Color
Gray  
Gray  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
4.00  
10
4.00  
10
Brinell Hardness
200.00 MPa  
40
200.00 MPa  
40
Vickers Hardness
608.00 MPa  
18
608.00 MPa  
18
Speed of Sound
5,120.00 m/s  
8
5,120.00 m/s  
8
Optical Properties
  
  
Reflectivity
65.00 %  
12
65.00 %  
12
Allotropes
Yes  
Yes  
α Allotropes
Ferrite (alpha Iron)  
Ferrite (alpha Iron)  
β Allotropes
beta Iron  
beta Iron  
γ Allotropes
gamma Iron  
gamma Iron  
Chemical Properties
Chemical Formula
Fe  
Fe  
Isotopes
  
  
Known Isotopes
26  
13
26  
13
Electronegativity
  
  
Pauling Electronegativity
1.83  
14
1.83  
14
Sanderson Electronegativity
2.20  
7
2.20  
7
Allred Rochow Electronegativity
1.64  
8
1.64  
8
Allen Electronegativity
1.80  
12
1.80  
12
Electropositivity
  
  
Pauling Electropositivity
2.17  
40
2.17  
40
Ionization Energies
  
  
1st Energy Level
762.50 kJ/mol  
17
762.50 kJ/mol  
17
2nd Energy Level
1,561.90 kJ/mol  
36
1,561.90 kJ/mol  
36
3rd Energy Level
2,957.00 kJ/mol  
29
2,957.00 kJ/mol  
29
4th Energy Level
5,290.00 kJ/mol  
16
5,290.00 kJ/mol  
16
5th Energy Level
7,240.00 kJ/mol  
16
7,240.00 kJ/mol  
16
6th Energy Level
9,560.00 kJ/mol  
14
9,560.00 kJ/mol  
14
7th Energy level
12,060.00 kJ/mol  
15
12,060.00 kJ/mol  
15
8th Energy Level
14,580.00 kJ/mol  
14
14,580.00 kJ/mol  
14
9th Energy Level
22,540.00 kJ/mol  
5
22,540.00 kJ/mol  
5
10th Energy Level
25,290.00 kJ/mol  
8
25,290.00 kJ/mol  
8
11th Energy Level
28,000.00 kJ/mol  
9
28,000.00 kJ/mol  
9
12th Energy Level
31,920.00 kJ/mol  
9
31,920.00 kJ/mol  
9
13th Energy Level
34,830.00 kJ/mol  
9
34,830.00 kJ/mol  
9
14th Energy Level
37,840.00 kJ/mol  
11
37,840.00 kJ/mol  
11
15th Energy Level
44,100.00 kJ/mol  
11
44,100.00 kJ/mol  
11
16th Energy Level
47,206.00 kJ/mol  
13
47,206.00 kJ/mol  
13
17th Energy Level
122,200.00 kJ/mol  
1
122,200.00 kJ/mol  
1
18th Energy Level
131,000.00 kJ/mol  
2
131,000.00 kJ/mol  
2
19th Energy Level
140,500.00 kJ/mol  
3
140,500.00 kJ/mol  
3
20th Energy Level
152,600.00 kJ/mol  
5
152,600.00 kJ/mol  
5
21st Energy Level
163,000.00 kJ/mol  
5
163,000.00 kJ/mol  
5
22nd Energy Level
173,600.00 kJ/mol  
4
173,600.00 kJ/mol  
4
23rd Energy Level
188,100.00 kJ/mol  
4
188,100.00 kJ/mol  
4
24th Energy Level
195,200.00 kJ/mol  
1
195,200.00 kJ/mol  
1
Electrochemical Equivalent
0.69 g/amp-hr  
99+
0.69 g/amp-hr  
99+
Electron Work Function
4.70 eV  
10
4.70 eV  
10
Other Chemical Properties
Corrosion, Ionization, Solubility  
Corrosion, Ionization, Solubility  
Atomic Properties
Atomic Number
26  
99+
26  
99+
Electron Configuration
[Ar] 3d6 4s2  
[Ar] 3d6 4s2  
Crystal Structure
Body Centered Cubic (BCC)  
Body Centered Cubic (BCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
26  
99+
26  
99+
Number of Neutrons
30  
99+
30  
99+
Number of Electrons
26  
99+
26  
99+
Radius of an Atom
  
  
Atomic Radius
126.00 pm  
99+
126.00 pm  
99+
Covalent Radius
132.00 pm  
99+
132.00 pm  
99+
Van der Waals Radius
200.00 pm  
28
200.00 pm  
28
Atomic Weight
55.85 amu  
99+
55.85 amu  
99+
Atomic Volume
7.10 cm3/mol  
99+
7.10 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Manganese
  
Manganese
  
Next Element
Cobalt
  
Cobalt
  
Valence Electron Potential
67.00 (-eV)  
20
67.00 (-eV)  
20
Lattice Constant
286.65 pm  
99+
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
7.87 g/cm3  
99+
7.87 g/cm3  
99+
Density When Liquid (at m.p.)
6.98 g/cm3  
35
6.98 g/cm3  
35
Tensile Strength
11,000.00 MPa  
1
11,000.00 MPa  
1
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
28
0.00 (Pa)  
28
Vapor Pressure at 2000 K
36.80 (Pa)  
5
36.80 (Pa)  
5
Elasticity properties
  
  
Shear Modulus
82.00 GPa  
11
82.00 GPa  
11
Bulk Modulus
170.00 GPa  
10
170.00 GPa  
10
Young's Modulus
211.00 GPa  
9
211.00 GPa  
9
Poisson Ratio
0.29  
15
0.29  
15
Other Mechanical Properties
Ductile, Malleable, Weldable  
Ductile, Malleable, Weldable  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
7.20  
99+
7.20  
99+
Magnetic Ordering
Ferromagnetic  
Ferromagnetic  
Permeability
6.3 * 10-3 H/m  
1
6.3 * 10-3 H/m  
1
Susceptibility
2,00,000.00  
1
2,00,000.00  
1
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
96.10 nΩ·m  
32
96.10 nΩ·m  
32
Electrical Conductivity
0.10 106/cm Ω  
20
0.10 106/cm Ω  
20
Electron Affinity
15.70 kJ/mol  
34
15.70 kJ/mol  
34
Thermal Properties
Specific Heat
0.44 J/(kg K)  
13
0.44 J/(kg K)  
13
Molar Heat Capacity
25.10 J/mol·K  
99+
25.10 J/mol·K  
99+
Thermal Conductivity
80.40 W/m·K  
22
80.40 W/m·K  
22
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
11.80 µm/(m·K)  
33
11.80 µm/(m·K)  
33
Enthalpy
  
  
Enthalpy of Vaporization
351.00 kJ/mol  
23
351.00 kJ/mol  
23
Enthalpy of Fusion
14.90 kJ/mol  
22
14.90 kJ/mol  
22
Enthalpy of Atomization
414.20 kJ/mol  
19
414.20 kJ/mol  
19
Standard Molar Entropy
27.30 J/mol.K  
99+
27.30 J/mol.K  
99+
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