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Molybdenum
Molybdenum

Bohrium
Bohrium



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Molybdenum
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Molybdenum vs Bohrium

1 Periodic Table
1.1 Symbol
Mo
Bh
1.2 Group Number
67
Gadolinium
0 17
1.4 Period Number
57
Lithium
2 7
1.3 Block
d block
d block
1.4 Element Family
Transition Metal
Transition Metal
1.5 CAS Number
743998754037148
Aluminium
7429905 54386242
1.7 Space Group Name
Im_ 3m
Not Available
1.8 Space Group Number
229.00NA
Plutonium
11 229
3 Facts
3.1 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.
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
3.2 Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Synthetically Produced
3.3 History
3.3.1 Who Discovered
Carl Wilhelm Scheele
Gesellschaft für Schwerionenforschung
3.3.2 Discovery
In 1778
In 1981
3.4 Abundance
3.4.1 Abundance In Universe
5 * 10-7 %NA
Thallium
5E-09 0.11
3.4.4 Abundance In Sun
~0.0000009 %~-9999 %
Beryllium
1E-08 0.1
3.6.4 Abundance In Meteorites
0.00 %NA
Gold
1.7E-07 22
3.6.6 Abundance In Earth's Crust
0.00 %NA
Radium
9.9E-12 8.1
3.7.2 Abundance In Oceans
0.00 %NA
Protactinium
2E-23 1.1
4.1.4 Abundance In Humans
0.00 %NA
Radium
1E-13 1.4
5 Uses
5.1 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.
  • Currently known uses of Bohrium metal are limited to research purpose only.
5.1.1 Industrial Uses
Aerospace Industry, Electrical Industry, Electronic Industry
NA
5.1.2 Medical Uses
NA
NA
5.1.3 Other Uses
Alloys
Research Purposes
5.2 Biological Properties
5.2.1 Toxicity
Toxic
Unknown
5.2.2 Present in Human Body
5.2.4 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
Plutonium
0 1970
6.7.2 In Bone
0.70 p.p.m.0.00 p.p.m.
Plutonium
0 170000
7 Physical
7.1 Melting Point
2,617.00 °CNA
Francium
27 3410
8.3 Boiling Point
4,612.00 °CNA
Flerovium
147 5660
9.3 Appearance
9.3.1 Physical State
Solid
Solid
9.3.2 Color
Gray
Unknown
9.3.3 Luster
Metallic
Unknown Luster
9.4 Hardness
9.4.1 Mohs Hardness
5.50NA
Cesium
0.2 8.5
9.7.3 Brinell Hardness
1,370.00 MPaNA
Cesium
0.14 3490
9.8.5 Vickers Hardness
1,400.00 MPaNA
Palladium
121 3430
9.9 Speed of Sound
5,400.00 m/sNA
Thallium
818 16200
9.10 Optical Properties
9.10.1 Refractive Index
NANA
Mercury
1.000933 1.7229
9.10.2 Reflectivity
58.00 %NA
Silver
58 97
10.2 Allotropes
10.2.1 α Allotropes
Not Available
Not Available
10.2.2 β Allotropes
Not Available
Not Available
10.2.3 γ Allotropes
Not Available
Not Available
11 Chemical
11.1 Chemical Formula
Mo
Bh
11.2 Isotopes
11.2.1 Known Isotopes
255
Tennessine
0 38
11.4 Electronegativity
11.4.1 Pauling Electronegativity
2.16NA
Francium
0.7 2.54
11.6.2 Sanderson Electronegativity
1.15NA
Cesium
0.22 2.56
11.7.4 Allred Rochow Electronegativity
1.30NA
Cesium
0.86 1.82
11.7.7 Mulliken-Jaffe Electronegativity
NANA
Cesium
0.62 2.48
11.8.3 Allen Electronegativity
2.16NA
Cesium
0.659 2.7
11.10 Electropositivity
11.10.1 Pauling Electropositivity
1.84NA
Gold
1.46 3.3
11.13 Ionization Energies
11.13.1 1st Energy Level
684.30 kJ/mol742.90 kJ/mol
Cesium
375.7 26130
11.13.5 2nd Energy Level
1,560.00 kJ/mol1,688.50 kJ/mol
Ruthenium
710.2162 28750
11.14.4 3rd Energy Level
2,618.00 kJ/mol2,566.50 kJ/mol
Osmium
1600 34230
11.16.2 4th Energy Level
4,480.00 kJ/mol3,598.90 kJ/mol
Thorium
2780 37066
11.16.7 5th Energy Level
5,257.00 kJ/mol4,727.80 kJ/mol
Dubnium
4305.2 97510
11.18.5 6th Energy Level
6,640.80 kJ/mol5,991.70 kJ/mol
Seaborgium
5715.8 105800
11.21.1 7th Energy level
12,125.00 kJ/mol7,226.80 kJ/mol
Sodium
7226.8 114300
11.21.4 8th Energy Level
13,860.00 kJ/molNA
Hassium
8857.4 125300
11.22.2 9th Energy Level
15,835.00 kJ/molNA
Yttrium
14110 134700
11.22.4 10th Energy Level
17,980.00 kJ/molNA
Strontium
17100 144300
12.1.2 11th Energy Level
20,190.00 kJ/molNA
Yttrium
19900 169988
12.4.2 12th Energy Level
22,219.00 kJ/molNA
Copper
22219 189368
12.4.5 13th Energy Level
26,930.00 kJ/molNA
Vanadium
26930 76015
12.4.9 14th Energy Level
29,196.00 kJ/molNA
Iron
29196 86450
12.4.12 15th Energy Level
52,490.00 kJ/molNA
Manganese
41987 97510
12.4.16 16th Energy Level
55,000.00 kJ/molNA
Iron
47206 109480
12.5.2 17th Energy Level
61,400.00 kJ/molNA
Cobalt
52737 122200
12.5.4 18th Energy Level
67,700.00 kJ/molNA
Nickel
58570 134810
12.5.8 19th Energy Level
74,000.00 kJ/molNA
Copper
64702 148700
12.5.12 20th Energy Level
80,400.00 kJ/molNA
Zinc
80400 171200
12.5.14 21st Energy Level
87,000.00 kJ/molNA
Zinc
87000 179100
12.6.1 22nd Energy Level
93,400.00 kJ/molNA
Copper
93400 184900
12.7.1 23rd Energy Level
98,420.00 kJ/molNA
Copper
98420 198800
12.7.3 24th Energy Level
104,400.00 kJ/molNA
Iron
104400 195200
12.7.4 25th Energy Level
121,900.00 kJ/molNA
121900 121900
12.8.1 26th Energy Level
127,700.00 kJ/molNA
127700 127700
12.9.2 27th Energy Level
133,800.00 kJ/molNA
133800 133800
12.9.3 28th Energy Level
139,800.00 kJ/molNA
139800 139800
12.9.4 29th Energy Level
148,100.00 kJ/molNA
148100 148100
12.9.5 30th Energy Level
154,500.00 kJ/molNA
154500 154500
12.10 Electrochemical Equivalent
0.89 g/amp-hrNA
Beryllium
0.16812 8.3209
13.4 Electron Work Function
4.60 eVNA
Cesium
2.14 5.65
13.8 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Ionization, Radioactive Isotopes
14 Atomic
14.1 Atomic Number
42107
Lithium
3 117
14.3 Electron Configuration
[Kr] 4d5 5s1
[Rn] 5f14 6d5 7s2
14.4 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
14.4.1 Crystal Lattice
14.5 Atom
14.5.2 Number of Protons
42107
Lithium
3 117
15.1.2 Number of Neutrons
54155
Lithium
4 184
15.1.6 Number of Electrons
42107
Lithium
3 117
15.3 Radius of an Atom
15.3.1 Atomic Radius
139.00 pm128.00 pm
Beryllium
112 265
15.5.1 Covalent Radius
154.00 pm141.00 pm
Beryllium
96 260
15.8.2 Van der Waals Radius
200.00 pmNA
Zinc
139 348
16.3 Atomic Weight
95.95 amu270.00 amu
Lithium
6.94 294
16.7 Atomic Volume
9.40 cm3/molNA
Manganese
1.39 71.07
16.10 Adjacent Atomic Numbers
16.10.1 Previous Element
16.10.2 Next Element
16.11 Valence Electron Potential
88.60 (-eV)NA
Francium
8 392.42
16.12 Lattice Constant
314.70 pmNA
Beryllium
228.58 891.25
16.13 Lattice Angles
π/2, π/2, π/2
NA
16.14 Lattice C/A Ratio
NANA
Beryllium
1.567 1.886
17 Mechanical
17.1 Density
17.1.1 Density At Room Temperature
10.28 g/cm337.10 g/cm3
Lithium
0.534 40.7
17.1.2 Density When Liquid (at m.p.)
9.33 g/cm3NA
Lithium
0.512 20
17.3 Tensile Strength
324.00 MPaNA
Indium
2.5 11000
17.4 Viscosity
NANA
Mercury
0.001526 0.001526
17.5 Vapor Pressure
17.5.1 Vapor Pressure at 1000 K
NANA
Cerium
2.47E-11 121
17.9.1 Vapor Pressure at 2000 K
0.00 (Pa)NA
Tungsten
2.62E-10 774
17.10 Elasticity properties
17.10.1 Shear Modulus
126.00 GPaNA
Potassium
1.3 222
18.1.3 Bulk Modulus
230.00 GPaNA
Cesium
1.6 462
19.1.2 Young's Modulus
329.00 GPaNA
Cesium
1.7 528
19.2 Poisson Ratio
0.31NA
Beryllium
0.032 0.47
19.4 Other Mechanical Properties
Ductile, Weldable
Unknown
20 Magnetic
20.1 Magnetic Characteristics
20.1.1 Specific Gravity
10.22NA
Lithium
0.53 4500
20.1.2 Magnetic Ordering
Paramagnetic
Unknown
20.1.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
20.1.5 Susceptibility
NANA
Bismuth
-0.000166 200000
20.3 Electrical Properties
20.3.1 Electrical Property
Semiconductor
Unknown
20.3.2 Resistivity
53.40 nΩ·mNA
Thallium
0.18 961
20.5.3 Electrical Conductivity
0.19 106/cm ΩNA
Plutonium
0.00666 0.63
20.6.1 Electron Affinity
71.90 kJ/molNA
Mercury
0 222.8
21 Thermal
21.1 Specific Heat
0.25 J/(kg K)NA
Americium
0.11 3.6
21.2 Molar Heat Capacity
24.06 J/mol·KNA
Beryllium
16.443 62.7
21.4 Thermal Conductivity
138.00 W/m·KNA
Neptunium
6.3 429
21.5 Critical Temperature
NANA
Ytterbium
26.3 3223
21.6 Thermal Expansion
4.80 µm/(m·K)NA
Tungsten
4.5 97
23.2 Enthalpy
23.2.1 Enthalpy of Vaporization
594.10 kJ/molNA
Zinc
7.32 799.1
23.2.2 Enthalpy of Fusion
27.61 kJ/molNA
Cesium
2.1 35.23
23.3.2 Enthalpy of Atomization
653.00 kJ/molNA
Mercury
61.5 837
23.4 Standard Molar Entropy
28.70 J/mol.KNA
Beryllium
9.5 198.1