1 Periodic Table
1.1 Symbol
Mo
1.2 Group Number
1.3 Period Number
1.4 Block
d block
1.5 Element Family
Transition Metal
1.6 CAS Number
7439987
Rank: 80 (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
- Molybdenum is highly reactive metal, hence not found free in nature .
- Till 18th century Molybdenum element were often mistaken as a carbon or Lead.
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Carl Wilhelm Scheele
2.3.2 Discovery
In 1778
2.4 Abundance
2.4.1 Abundance In Universe
5 * 10-7 %
Rank: 19 (Overall) ▶
5E-09
0.11
2.4.2 Abundance In Sun
~0.0000009 %
Rank: 19 (Overall) ▶
1E-08
0.1
2.4.3 Abundance In Meteorites
0.00 %
Rank: 24 (Overall) ▶
1.7E-07
22
2.4.4 Abundance In Earth's Crust
0.00 %
Rank: 39 (Overall) ▶
9.9E-12
8.1
2.4.5 Abundance In Oceans
0.00 %
Rank: 9 (Overall) ▶
2E-23
1.1
2.4.6 Abundance In Humans
0.00 %
Rank: 14 (Overall) ▶
1E-13
1.4
3 Uses
3.1 Uses & Benefits
- 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.
3.1.1 Industrial Uses
Aerospace Industry, Electrical Industry, Electronic Industry
3.1.2 Medical Uses
NA
3.1.3 Other Uses
Alloys
3.2 Biological Properties
3.2.1 Toxicity
Toxic
3.2.2 Present in Human Body
✔
✘
60% - Transition Metals Metals have it !
▶
3.2.3 In Blood
0.00 Blood/mg dm-3
Rank: 31 (Overall) ▶
0
1970
3.2.4 In Bone
0.70 p.p.m.
Rank: 18 (Overall) ▶
0
170000
4 Physical
4.1 Melting Point
2,617.00 °C
Rank: 5 (Overall) ▶
27
3410
4.2 Boiling Point
4,612.00 °C
Rank: 9 (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
4.4.2 Brinell Hardness
1,370.00 MPa
Rank: 7 (Overall) ▶
0.14
3490
4.4.3 Vickers Hardness
1,400.00 MPa
Rank: 6 (Overall) ▶
121
3430
4.5 Speed of Sound
5,400.00 m/s
Rank: 6 (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
58.00 %
Rank: 15 (Overall) ▶
58
97
4.7 Allotropes
✔
✘
6% - Transition Metals Metals have it !
▶
4.7.1 α Allotropes
Not Available
4.7.2 β Allotropes
Not Available
4.7.3 γ Allotropes
Not Available
5 Chemical
5.1 Chemical Formula
Mo
5.2 Isotopes
5.2.1 Known Isotopes
5.3 Electronegativity
5.3.1 Pauling Electronegativity
5.3.2 Sanderson Electronegativity
1.15
Rank: 19 (Overall) ▶
0.22
2.56
5.3.3 Allred Rochow Electronegativity
1.30
Rank: 24 (Overall) ▶
0.86
1.82
5.3.4 Mulliken-Jaffe Electronegativity
Not Available
Rank: N/A (Overall) ▶
0.62
2.48
5.3.5 Allen Electronegativity
5.4 Electropositivity
5.4.1 Pauling Electropositivity
1.84
Rank: 48 (Overall) ▶
1.46
3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
684.30 kJ/mol
Rank: 37 (Overall) ▶
375.7
26130
5.5.2 2nd Energy Level
1,560.00 kJ/mol
Rank: 37 (Overall) ▶
710.2162
28750
5.5.3 3rd Energy Level
2,618.00 kJ/mol
Rank: 43 (Overall) ▶
1600
34230
5.5.4 4th Energy Level
4,480.00 kJ/mol
Rank: 26 (Overall) ▶
2780
37066
5.5.5 5th Energy Level
5,257.00 kJ/mol
Rank: 32 (Overall) ▶
4305.2
97510
5.5.6 6th Energy Level
6,640.80 kJ/mol
Rank: 22 (Overall) ▶
5715.8
105800
5.5.7 7th Energy level
12,125.00 kJ/mol
Rank: 13 (Overall) ▶
7226.8
114300
5.5.8 8th Energy Level
13,860.00 kJ/mol
Rank: 16 (Overall) ▶
8857.4
125300
5.5.9 9th Energy Level
15,835.00 kJ/mol
Rank: 16 (Overall) ▶
14110
134700
5.5.10 10th Energy Level
17,980.00 kJ/mol
Rank: 18 (Overall) ▶
17100
144300
5.5.11 11th Energy Level
20,190.00 kJ/mol
Rank: 17 (Overall) ▶
19900
169988
5.5.12 12th Energy Level
22,219.00 kJ/mol
Rank: 15 (Overall) ▶
22219
189368
5.5.13 13th Energy Level
26,930.00 kJ/mol
Rank: 13 (Overall) ▶
26930
76015
5.5.14 14th Energy Level
29,196.00 kJ/mol
Rank: 13 (Overall) ▶
29196
86450
5.5.15 15th Energy Level
52,490.00 kJ/mol
Rank: 7 (Overall) ▶
41987
97510
5.5.16 16th Energy Level
55,000.00 kJ/mol
Rank: 8 (Overall) ▶
47206
109480
5.5.17 17th Energy Level
61,400.00 kJ/mol
Rank: 9 (Overall) ▶
52737
122200
5.5.18 18th Energy Level
67,700.00 kJ/mol
Rank: 9 (Overall) ▶
58570
134810
5.5.19 19th Energy Level
74,000.00 kJ/mol
Rank: 9 (Overall) ▶
64702
148700
5.5.20 20th Energy Level
80,400.00 kJ/mol
Rank: 10 (Overall) ▶
80400
171200
5.5.21 21st Energy Level
87,000.00 kJ/mol
Rank: 9 (Overall) ▶
87000
179100
5.5.22 22nd Energy Level
93,400.00 kJ/mol
Rank: 7 (Overall) ▶
93400
184900
5.5.23 23rd Energy Level
98,420.00 kJ/mol
Rank: 6 (Overall) ▶
98420
198800
5.5.24 24th Energy Level
104,400.00 kJ/mol
Rank: 2 (Overall) ▶
104400
195200
5.5.25 25th Energy Level
121,900.00 kJ/mol
Rank: 1 (Overall) ▶
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121900
121900
5.5.26 26th Energy Level
127,700.00 kJ/mol
Rank: 1 (Overall) ▶
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127700
127700
5.5.27 27th Energy Level
133,800.00 kJ/mol
Rank: 1 (Overall) ▶
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133800
133800
5.5.28 28th Energy Level
139,800.00 kJ/mol
Rank: 1 (Overall) ▶
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139800
139800
5.5.29 29th Energy Level
148,100.00 kJ/mol
Rank: 1 (Overall) ▶
<%ToolTipProdName%>
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148100
148100
5.5.30 30th Energy Level
154,500.00 kJ/mol
Rank: 1 (Overall) ▶
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154500
154500
5.6 Electrochemical Equivalent
0.89 g/amp-hr
Rank: 60 (Overall) ▶
0.16812
8.3209
5.7 Electron Work Function
4.60 eV
Rank: 12 (Overall) ▶
2.14
5.65
5.8 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
6 Atomic
6.1 Atomic Number
6.2 Electron Configuration
[Kr] 4d5 5s1
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
139.00 pm
Rank: 39 (Overall) ▶
112
265
6.5.2 Covalent Radius
154.00 pm
Rank: 32 (Overall) ▶
96
260
6.5.3 Van der Waals Radius
200.00 pm
Rank: 28 (Overall) ▶
139
348
6.6 Atomic Weight
95.95 amu
Rank: 64 (Overall) ▶
6.94
294
6.7 Atomic Volume
9.40 cm3/mol
Rank: 51 (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
88.60 (-eV)
Rank: 13 (Overall) ▶
8
392.42
6.10 Lattice Constant
314.70 pm
Rank: 57 (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
10.28 g/cm3
Rank: 36 (Overall) ▶
0.534
40.7
7.1.2 Density When Liquid (at m.p.)
9.33 g/cm3
Rank: 20 (Overall) ▶
0.512
20
7.2 Tensile Strength
324.00 MPa
Rank: 13 (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
Not Available
Rank: N/A (Overall) ▶
2.47E-11
121
7.4.2 Vapor Pressure at 2000 K
0.00 (Pa)
Rank: 26 (Overall) ▶
2.62E-10
774
7.5 Elasticity properties
7.5.1 Shear Modulus
126.00 GPa
Rank: 8 (Overall) ▶
1.3
222
7.5.2 Bulk Modulus
230.00 GPa
Rank: 6 (Overall) ▶
1.6
462
7.5.3 Young's Modulus
329.00 GPa
Rank: 6 (Overall) ▶
1.7
528
7.6 Poisson Ratio
0.31
Rank: 13 (Overall) ▶
0.032
0.47
7.7 Other Mechanical Properties
Ductile, Weldable
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
10.22
Rank: 27 (Overall) ▶
0.53
4500
8.1.2 Magnetic Ordering
Paramagnetic
8.1.3 Permeability
Not Available
Rank: N/A (Overall) ▶
1.25643E-06
0.0063
8.1.4 Susceptibility
Not Available
Rank: N/A (Overall) ▶
-0.000166
200000
8.2 Electrical Properties
8.2.1 Electrical Property
Semiconductor
8.2.2 Resistivity
53.40 nΩ·m
Rank: 41 (Overall) ▶
0.18
961
8.2.3 Electrical Conductivity
0.19 106/cm Ω
Rank: 11 (Overall) ▶
0.00666
0.63
8.2.4 Electron Affinity
71.90 kJ/mol
Rank: 14 (Overall) ▶
0
222.8
9 Thermal
9.1 Specific Heat
0.25 J/(kg K)
Rank: 21 (Overall) ▶
0.11
3.6
9.2 Molar Heat Capacity
24.06 J/mol·K
Rank: 54 (Overall) ▶
16.443
62.7
9.3 Thermal Conductivity
138.00 W/m·K
Rank: 12 (Overall) ▶
6.3
429
9.4 Critical Temperature
Not Available
Rank: N/A (Overall) ▶
26.3
3223
9.5 Thermal Expansion
4.80 µm/(m·K)
Rank: 58 (Overall) ▶
4.5
97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
594.10 kJ/mol
Rank: 8 (Overall) ▶
7.32
799.1
9.6.2 Enthalpy of Fusion
27.61 kJ/mol
Rank: 5 (Overall) ▶
2.1
35.23
9.6.3 Enthalpy of Atomization
653.00 kJ/mol
Rank: 7 (Overall) ▶
61.5
837
9.7 Standard Molar Entropy
28.70 J/mol.K
Rank: 53 (Overall) ▶
9.5
198.1