1 Periodic Table
1.1 Symbol
Fe
1.2 Group Number
1.3 Period Number
1.4 Block
d block
1.5 Element Family
Transition Metal
1.6 CAS Number
7439896
Rank: 88 (Overall) ▶
7429905
54386242
1.7 Space Group Name
Im_ 3m
1.8 Space Group Number
229.00
Rank: 1 (Overall) ▶
11
229
2 Facts
2.1 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.
2.2 Sources
Earth's crust, Found in Minerals
2.3 History
2.3.1 Who Discovered
Unknown
2.3.2 Discovery
Before 5000 BC
2.4 Abundance
2.4.1 Abundance In Universe
1.1 * 10-1 %
Rank: 1 (Overall) ▶
5E-09
0.11
2.4.2 Abundance In Sun
~0.1 %
Rank: 1 (Overall) ▶
1E-08
0.1
2.4.3 Abundance In Meteorites
22.00 %
Rank: 1 (Overall) ▶
1.7E-07
22
2.4.4 Abundance In Earth's Crust
6.30 %
Rank: 2 (Overall) ▶
9.9E-12
8.1
2.4.5 Abundance In Oceans
0.00 %
Rank: 12 (Overall) ▶
2E-23
1.1
2.4.6 Abundance In Humans
0.01 %
Rank: 5 (Overall) ▶
1E-13
1.4
3 Uses
3.1 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.
3.1.1 Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
3.1.2 Medical Uses
Pharmaceutical Industry, Surgical Instruments Manufacturing
3.1.3 Other Uses
Alloys, Sculptures, Statues
3.2 Biological Properties
3.2.1 Toxicity
Non Toxic
3.2.2 Present in Human Body
✔
✘
60% - Transition Metals Metals have it !
▶
3.2.3 In Blood
447.00 Blood/mg dm-3
Rank: 3 (Overall) ▶
0
1970
3.2.4 In Bone
380.00 p.p.m.
Rank: 5 (Overall) ▶
0
170000
4 Physical
4.1 Melting Point
1,535.00 °C
Rank: 25 (Overall) ▶
27
3410
4.2 Boiling Point
2,750.00 °C
Rank: 37 (Overall) ▶
147
5660
4.3 Appearance
4.3.1 Physical State
Solid
4.3.2 Color
Gray
4.3.3 Luster
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
4.00
Rank: 10 (Overall) ▶
0.2
8.5
4.4.2 Brinell Hardness
200.00 MPa
Rank: 40 (Overall) ▶
0.14
3490
4.4.3 Vickers Hardness
608.00 MPa
Rank: 18 (Overall) ▶
121
3430
4.5 Speed of Sound
5,120.00 m/s
Rank: 8 (Overall) ▶
818
16200
4.6 Optical Properties
4.6.1 Refractive Index
Not Available
Rank: N/A (Overall) ▶
1.000933
1.7229
4.6.2 Reflectivity
65.00 %
Rank: 12 (Overall) ▶
58
97
4.7 Allotropes
✔
✘
6% - Transition Metals Metals have it !
▶
4.7.1 α Allotropes
Ferrite (alpha Iron)
4.7.2 β Allotropes
beta Iron
4.7.3 γ Allotropes
gamma Iron
5 Chemical
5.1 Chemical Formula
Fe
5.2 Isotopes
5.2.1 Known Isotopes
5.3 Electronegativity
5.3.1 Pauling Electronegativity
1.83
Rank: 14 (Overall) ▶
0.7
2.54
5.3.2 Sanderson Electronegativity
5.3.3 Allred Rochow Electronegativity
5.3.4 Mulliken-Jaffe Electronegativity
Not Available
Rank: N/A (Overall) ▶
0.62
2.48
5.3.5 Allen Electronegativity
1.80
Rank: 12 (Overall) ▶
0.659
2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
2.17
Rank: 40 (Overall) ▶
1.46
3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
762.50 kJ/mol
Rank: 17 (Overall) ▶
375.7
26130
5.5.2 2nd Energy Level
1,561.90 kJ/mol
Rank: 36 (Overall) ▶
710.2162
28750
5.5.3 3rd Energy Level
2,957.00 kJ/mol
Rank: 29 (Overall) ▶
1600
34230
5.5.4 4th Energy Level
5,290.00 kJ/mol
Rank: 16 (Overall) ▶
2780
37066
5.5.5 5th Energy Level
7,240.00 kJ/mol
Rank: 16 (Overall) ▶
4305.2
97510
5.5.6 6th Energy Level
9,560.00 kJ/mol
Rank: 14 (Overall) ▶
5715.8
105800
5.5.7 7th Energy level
12,060.00 kJ/mol
Rank: 15 (Overall) ▶
7226.8
114300
5.5.8 8th Energy Level
14,580.00 kJ/mol
Rank: 14 (Overall) ▶
8857.4
125300
5.5.9 9th Energy Level
22,540.00 kJ/mol
Rank: 5 (Overall) ▶
14110
134700
5.5.10 10th Energy Level
25,290.00 kJ/mol
Rank: 8 (Overall) ▶
17100
144300
5.5.11 11th Energy Level
28,000.00 kJ/mol
Rank: 9 (Overall) ▶
19900
169988
5.5.12 12th Energy Level
31,920.00 kJ/mol
Rank: 9 (Overall) ▶
22219
189368
5.5.13 13th Energy Level
34,830.00 kJ/mol
Rank: 9 (Overall) ▶
26930
76015
5.5.14 14th Energy Level
37,840.00 kJ/mol
Rank: 11 (Overall) ▶
29196
86450
5.5.15 15th Energy Level
44,100.00 kJ/mol
Rank: 11 (Overall) ▶
41987
97510
5.5.16 16th Energy Level
47,206.00 kJ/mol
Rank: 13 (Overall) ▶
47206
109480
5.5.17 17th Energy Level
122,200.00 kJ/mol
Rank: 1 (Overall) ▶
52737
122200
5.5.18 18th Energy Level
131,000.00 kJ/mol
Rank: 2 (Overall) ▶
58570
134810
5.5.19 19th Energy Level
140,500.00 kJ/mol
Rank: 3 (Overall) ▶
64702
148700
5.5.20 20th Energy Level
152,600.00 kJ/mol
Rank: 5 (Overall) ▶
80400
171200
5.5.21 21st Energy Level
163,000.00 kJ/mol
Rank: 5 (Overall) ▶
87000
179100
5.5.22 22nd Energy Level
173,600.00 kJ/mol
Rank: 4 (Overall) ▶
93400
184900
5.5.23 23rd Energy Level
188,100.00 kJ/mol
Rank: 4 (Overall) ▶
98420
198800
5.5.24 24th Energy Level
195,200.00 kJ/mol
Rank: 1 (Overall) ▶
104400
195200
5.5.25 25th Energy Level
Not Available
Rank: 100 (Overall) ▶
121900
121900
5.5.26 26th Energy Level
Not Available
Rank: 100 (Overall) ▶
127700
127700
5.5.27 27th Energy Level
Not Available
Rank: N/A (Overall) ▶
133800
133800
5.5.28 28th Energy Level
Not Available
Rank: N/A (Overall) ▶
139800
139800
5.5.29 29th Energy Level
Not Available
Rank: N/A (Overall) ▶
148100
148100
5.5.30 30th Energy Level
Not Available
Rank: N/A (Overall) ▶
154500
154500
5.6 Electrochemical Equivalent
0.69 g/amp-hr
Rank: 65 (Overall) ▶
0.16812
8.3209
5.7 Electron Work Function
4.70 eV
Rank: 10 (Overall) ▶
2.14
5.65
5.8 Other Chemical Properties
Corrosion, Ionization, Solubility
6 Atomic
6.1 Atomic Number
6.2 Electron Configuration
[Ar] 3d6 4s2
6.3 Crystal Structure
Body Centered Cubic (BCC)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
6.4.2 Number of Neutrons
6.4.3 Number of Electrons
6.5 Radius of an Atom
6.5.1 Atomic Radius
126.00 pm
Rank: 48 (Overall) ▶
112
265
6.5.2 Covalent Radius
132.00 pm
Rank: 48 (Overall) ▶
96
260
6.5.3 Van der Waals Radius
200.00 pm
Rank: 28 (Overall) ▶
139
348
6.6 Atomic Weight
55.85 amu
Rank: 74 (Overall) ▶
6.94
294
6.7 Atomic Volume
7.10 cm3/mol
Rank: 61 (Overall) ▶
1.39
71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
67.00 (-eV)
Rank: 20 (Overall) ▶
8
392.42
6.10 Lattice Constant
286.65 pm
Rank: 63 (Overall) ▶
228.58
891.25
6.11 Lattice Angles
π/2, π/2, π/2
6.12 Lattice C/A Ratio
Not Available
Rank: N/A (Overall) ▶
1.567
1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
7.87 g/cm3
Rank: 52 (Overall) ▶
0.534
40.7
7.1.2 Density When Liquid (at m.p.)
6.98 g/cm3
Rank: 35 (Overall) ▶
0.512
20
7.2 Tensile Strength
11,000.00 MPa
Rank: 1 (Overall) ▶
2.5
11000
7.3 Viscosity
Not Available
Rank: N/A (Overall) ▶
0.001526
0.001526
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
0.00 (Pa)
Rank: 28 (Overall) ▶
2.47E-11
121
7.4.2 Vapor Pressure at 2000 K
36.80 (Pa)
Rank: 5 (Overall) ▶
2.62E-10
774
7.5 Elasticity properties
7.5.1 Shear Modulus
82.00 GPa
Rank: 11 (Overall) ▶
1.3
222
7.5.2 Bulk Modulus
170.00 GPa
Rank: 10 (Overall) ▶
1.6
462
7.5.3 Young's Modulus
211.00 GPa
Rank: 9 (Overall) ▶
1.7
528
7.6 Poisson Ratio
0.29
Rank: 15 (Overall) ▶
0.032
0.47
7.7 Other Mechanical Properties
Ductile, Malleable, Weldable
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
7.20
Rank: 45 (Overall) ▶
0.53
4500
8.1.2 Magnetic Ordering
Ferromagnetic
8.1.3 Permeability
6.3 * 10-3 H/m
Rank: 1 (Overall) ▶
1.25643E-06
0.0063
8.1.4 Susceptibility
2,00,000.00
Rank: 1 (Overall) ▶
-0.000166
200000
8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
8.2.2 Resistivity
96.10 nΩ·m
Rank: 32 (Overall) ▶
0.18
961
8.2.3 Electrical Conductivity
0.10 106/cm Ω
Rank: 20 (Overall) ▶
0.00666
0.63
8.2.4 Electron Affinity
15.70 kJ/mol
Rank: 34 (Overall) ▶
0
222.8
9 Thermal
9.1 Specific Heat
0.44 J/(kg K)
Rank: 13 (Overall) ▶
0.11
3.6
9.2 Molar Heat Capacity
25.10 J/mol·K
Rank: 43 (Overall) ▶
16.443
62.7
9.3 Thermal Conductivity
80.40 W/m·K
Rank: 22 (Overall) ▶
6.3
429
9.4 Critical Temperature
Not Available
Rank: N/A (Overall) ▶
26.3
3223
9.5 Thermal Expansion
11.80 µm/(m·K)
Rank: 33 (Overall) ▶
4.5
97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
351.00 kJ/mol
Rank: 23 (Overall) ▶
7.32
799.1
9.6.2 Enthalpy of Fusion
14.90 kJ/mol
Rank: 22 (Overall) ▶
2.1
35.23
9.6.3 Enthalpy of Atomization
414.20 kJ/mol
Rank: 19 (Overall) ▶
61.5
837
9.7 Standard Molar Entropy
27.30 J/mol.K
Rank: 56 (Overall) ▶
9.5
198.1