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Iron Iron Comparison

Iron
Iron
Iron Iron comparison


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+
Summary >>
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