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Iron Molybdenum Comparison


Molybdenum Iron comparison


Periodic Table

Symbol
Fe  
Mo  

Group Number
8  
10
6  
12

Period Number
4  
5  

Block
d block  
d block  

Element Family
Transition Metal  
Transition Metal  

CAS Number
7439896  
99+
7439987  
99+

Space Group Name
Im_ 3m  
Im_ 3m  

Space Group Number
229.00  
2
229.00  
2

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.
  
  • Molybdenum is highly reactive metal, hence not found free in nature .
  • Till 18th century Molybdenum element were often mistaken as a carbon or Lead.
  

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

History
  
  

Who Discovered
-  
Carl Wilhelm Scheele  

Discovery
Before 5000 BC  
In 1778  

Abundance
  
  

Abundance In Universe
0.11 %  
1
0.00 %  
20

Abundance In Sun
0.10 %  
1
0.00 %  
19

Abundance In Meteorites
22.00 %  
1
0.00 %  
24

Abundance In Earth's Crust
6.30 %  
2
0.00 %  
39

Abundance In Oceans
0.00 %  
12
0.00 %  
9

Abundance In Humans
0.01 %  
6
0.00 %  
17

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.
  
  • Its alloys are used to make engine parts, drills, saw blade, etc.
  • Lubricant additive made up of Molybdenum disulfide is commonly used in the industry. It is also used as a catalyst.
  

Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Aerospace 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  
31

In Bone
380.00 p.p.m.  
5
0.70 p.p.m.  
20

Physical

Melting Point
1,535.00 °C  
25
2,617.00 °C  
5

Boiling Point
2,750.00 °C  
39
4,612.00 °C  
9

Appearance
  
  

Physical State
Solid  
Solid  

Color
Gray  
Gray  

Luster
Metallic  
Metallic  

Hardness
  
  

Mohs Hardness
4.00  
11
5.50  
7

Brinell Hardness
200.00 MPa  
99+
1,370.00 MPa  
7

Vickers Hardness
608.00 MPa  
27
1,400.00 MPa  
11

Speed of Sound
5,120.00 m/s  
12
5,400.00 m/s  
9

Optical Properties
  
  

Refractive Index
2.60  
4
2.00  
15

Reflectivity
65.00 %  
18
58.00 %  
25

Allotropes
Yes  
No  

α Allotropes
Ferrite (alpha Iron)  
-  

β Allotropes
beta Iron  
-  

γ Allotropes
gamma Iron  
-  

Chemical

Chemical Formula
Fe  
Mo  

Isotopes
  
  

Known Isotopes
26  
13
25  
14

Electronegativity
  
  

Pauling Electronegativity
1.83  
15
2.16  
6

Sanderson Electronegativity
2.20  
8
1.15  
34

Allred Rochow Electronegativity
1.64  
9
1.30  
25

Mulliken-Jaffe Electronegativity
1.83  
16
2.16  
7

Allen Electronegativity
1.80  
15
2.16  
3

Electropositivity
  
  

Pauling Electropositivity
2.17  
99+
1.84  
99+

Ionization Energies
  
  

1st Energy Level
762.50 kJ/mol  
17
684.30 kJ/mol  
37

2nd Energy Level
1,561.90 kJ/mol  
37
1,560.00 kJ/mol  
38

3rd Energy Level
2,957.00 kJ/mol  
29
2,618.00 kJ/mol  
99+

4th Energy Level
5,290.00 kJ/mol  
25
4,480.00 kJ/mol  
36

5th Energy Level
7,240.00 kJ/mol  
25
5,257.00 kJ/mol  
99+

6th Energy Level
9,560.00 kJ/mol  
20
6,640.80 kJ/mol  
99+

7th Energy level
12,060.00 kJ/mol  
15
12,125.00 kJ/mol  
13

8th Energy Level
14,580.00 kJ/mol  
14
13,860.00 kJ/mol  
16

9th Energy Level
22,540.00 kJ/mol  
5
15,835.00 kJ/mol  
16

10th Energy Level
25,290.00 kJ/mol  
8
17,980.00 kJ/mol  
18

11th Energy Level
28,000.00 kJ/mol  
9
20,190.00 kJ/mol  
17

12th Energy Level
31,920.00 kJ/mol  
31
22,219.00 kJ/mol  
38

13th Energy Level
34,830.00 kJ/mol  
9
26,930.00 kJ/mol  
13

14th Energy Level
37,840.00 kJ/mol  
11
29,196.00 kJ/mol  
13

15th Energy Level
44,100.00 kJ/mol  
99+
52,490.00 kJ/mol  
99+

16th Energy Level
47,206.00 kJ/mol  
99+
55,000.00 kJ/mol  
99+

17th Energy Level
122,200.00 kJ/mol  
1
61,400.00 kJ/mol  
9

18th Energy Level
131,000.00 kJ/mol  
2
67,700.00 kJ/mol  
9

19th Energy Level
140,500.00 kJ/mol  
3
74,000.00 kJ/mol  
9

20th Energy Level
152,600.00 kJ/mol  
5
80,400.00 kJ/mol  
10

21st Energy Level
163,000.00 kJ/mol  
5
87,000.00 kJ/mol  
9

22nd Energy Level
173,600.00 kJ/mol  
4
93,400.00 kJ/mol  
7

23rd Energy Level
188,100.00 kJ/mol  
4
98,420.00 kJ/mol  
6

24th Energy Level
195,200.00 kJ/mol  
1
104,400.00 kJ/mol  
2

25th Energy Level
762.00 kJ/mol  
15
121,900.00 kJ/mol  
1

26th Energy Level
762.50 kJ/mol  
15
127,700.00 kJ/mol  
1

27th Energy Level
762.50 kJ/mol  
14
133,800.00 kJ/mol  
1

28th Energy Level
762.50 kJ/mol  
20
139,800.00 kJ/mol  
1

29th Energy Level
762.50 kJ/mol  
20
148,100.00 kJ/mol  
1

30th Energy Level
762.00 kJ/mol  
15
154,500.00 kJ/mol  
1

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

Electron Work Function
4.70 eV  
15
4.60 eV  
17

Other Chemical Properties
Corrosion, Ionization, Solubility  
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  

Atomic

Atomic Number
26  
99+
42  
99+

Electron Configuration
[Ar] 3d6 4s2  
[Kr] 4d5 5s1  

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+
42  
99+

Number of Neutrons
30  
99+
54  
99+

Number of Electrons
26  
99+
42  
99+

Radius of an Atom
  
  

Atomic Radius
126.00 pm  
99+
139.00 pm  
99+

Covalent Radius
132.00 pm  
99+
154.00 pm  
34

Van der Waals Radius
200.00 pm  
35
200.00 pm  
35

Atomic Weight
55.85 amu  
99+
95.95 amu  
99+

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

Adjacent Atomic Numbers
  
  

Previous Element
Manganese
  
Niobium
  

Next Element
Cobalt
  

Valence Electron Potential
67.00 (-eV)  
20
88.60 (-eV)  
13

Lattice Constant
286.65 pm  
99+
314.70 pm  
99+

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

Lattice C/A Ratio
1.35  
99+
1.03  
99+

Mechanical

Density
  
  

Density At Room Temperature
7.87 g/cm3  
99+
10.28 g/cm3  
39

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

Tensile Strength
11,000.00 MPa  
1
324.00 MPa  
15

Viscosity
0.00  
19
0.00  
5

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
30
0.00 (Pa)  
22

Vapor Pressure at 2000 K
36.80 (Pa)  
5
0.00 (Pa)  
27

Elasticity properties
  
  

Shear Modulus
82.00 GPa  
11
126.00 GPa  
8

Bulk Modulus
170.00 GPa  
10
230.00 GPa  
6

Young's Modulus
211.00 GPa  
9
329.00 GPa  
6

Poisson Ratio
0.29  
15
0.31  
13

Other Mechanical Properties
Ductile, Malleable, Weldable  
Ductile, Weldable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
7.20  
99+
10.22  
40

Magnetic Ordering
Ferromagnetic  
Paramagnetic  

Permeability
0.01 H/m  
1
0.00 H/m  
9

Susceptibility
200,000.00  
1
0.00  
29

Electrical Properties
  
  

Electrical Property
Conductor  
Semiconductor  

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

Electrical Conductivity
0.10 106/cm Ω  
24
0.19 106/cm Ω  
11

Electron Affinity
15.70 kJ/mol  
40
71.90 kJ/mol  
16

Thermal

Specific Heat
0.44 J/(kg K)  
13
0.25 J/(kg K)  
21

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

Thermal Conductivity
80.40 W/m·K  
22
138.00 W/m·K  
12

Critical Temperature
1,811.00 K  
29
2,896.00 K  
6

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

Enthalpy
  
  

Enthalpy of Vaporization
351.00 kJ/mol  
33
594.10 kJ/mol  
9

Enthalpy of Fusion
14.90 kJ/mol  
23
27.61 kJ/mol  
5

Enthalpy of Atomization
414.20 kJ/mol  
24
653.00 kJ/mol  
7

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

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