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Bohrium vs Manganese


Manganese vs Bohrium


Periodic Table

Symbol
Bh   
Mn   

Group Number
7   
11
7   
11

Period Number
7   
4   

Block
d block   
d block   

Element Family
Transition Metal   
Transition Metal   

CAS Number
54037148   
12
7439965   
99+

Space Group Name
Not Available   
I_ 43m   

Space Group Number
Not Available   
217.00   
4

Facts

Interesting Facts
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
  
  • Manganese is an essential trace element in all forms of life.
  • Manganese metal oxidizes very easily, but it does not fuse that easily.
  

Sources
Found in Minerals, Mining, Synthetically Produced   
Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
Gesellschaft für Schwerionenforschung   
Johann Gottlieb Gahn   

Discovery
In 1981   
In 1774   

Abundance
  
  

Abundance In Universe
Not Available   
8 * 10-4 %   
8

Abundance In Sun
~-9999 %   
~0.001 %   
8

Abundance In Meteorites
Not Available   
0.27 %   
8

Abundance In Earth's Crust
Not Available   
0.11 %   
8

Abundance In Oceans
Not Available   
0.00 %   
13

Abundance In Humans
Not Available   
0.00 %   
13

Uses

Uses & Benefits
  • Currently known uses of Bohrium metal are limited to research purpose only.
  
  • This metal is very brittle hence it mostly not used as a pure metal, but its alloys are very useful
  • Its alloy Manganese steel is extremely strong and used in railway tracks, safes, prison bars and riffle barrels.
  

Industrial Uses
NA   
Automobile Industry, Electrical Industry, Electronic Industry   

Medical Uses
NA   
NA   

Other Uses
Research Purposes   
Alloys   

Biological Properties
  
  

Toxicity
Unknown   
Toxic   

Present in Human Body
No   
Yes   

In Blood
0.00 Blood/mg dm-3   
37
0.08 Blood/mg dm-3   
14

In Bone
0.00 p.p.m.   
36
100.00 p.p.m.   
8

Physical Properties

Melting Point
Not Available   
1,245.00 °C   
37

Boiling Point
Not Available   
1,962.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Unknown   
Silver   

Luster
Unknown Luster   
Metallic   

Hardness
  
  

Mohs Hardness
Not Available   
6.00   
6

Brinell Hardness
Not Available   
196.00 MPa   
99+

Speed of Sound
Not Available   
5,150.00 m/s   
7

Optical Properties
  
  

Allotropes
No   
No   

α Allotropes
Not Available   
Not Available   

β Allotropes
Not Available   
Not Available   

γ Allotropes
Not Available   
Not Available   

Chemical Properties

Chemical Formula
Bh   
Mn   

Isotopes
  
  

Known Isotopes
5   
32
21   
18

Electronegativity
  
  

Pauling Electronegativity
Not Available   
1.55   
25

Sanderson Electronegativity
Not Available   
2.20   
7

Allred Rochow Electronegativity
Not Available   
1.60   
9

Allen Electronegativity
Not Available   
1.75   
15

Electropositivity
  
  

Pauling Electropositivity
Not Available   
2.45   
29

Ionization Energies
  
  

1st Energy Level
742.90 kJ/mol   
23
717.30 kJ/mol   
30

2nd Energy Level
1,688.50 kJ/mol   
30
1,509.00 kJ/mol   
39

3rd Energy Level
2,566.50 kJ/mol   
99+
3,248.00 kJ/mol   
21

4th Energy Level
3,598.90 kJ/mol   
99+
4,940.00 kJ/mol   
20

5th Energy Level
4,727.80 kJ/mol   
37
6,990.00 kJ/mol   
17

6th Energy Level
5,991.70 kJ/mol   
24
9,220.00 kJ/mol   
16

7th Energy level
7,226.80 kJ/mol   
22
11,500.00 kJ/mol   
16

8th Energy Level
Not Available   
18,770.00 kJ/mol   
5

9th Energy Level
Not Available   
21,400.00 kJ/mol   
6

10th Energy Level
Not Available   
23,960.00 kJ/mol   
9

11th Energy Level
Not Available   
27,590.00 kJ/mol   
10

12th Energy Level
Not Available   
30,330.00 kJ/mol   
10

13th Energy Level
Not Available   
33,150.00 kJ/mol   
11

14th Energy Level
Not Available   
38,880.00 kJ/mol   
10

15th Energy Level
Not Available   
41,987.00 kJ/mol   
13

16th Energy Level
Not Available   
109,480.00 kJ/mol   
1

17th Energy Level
Not Available   
118,100.00 kJ/mol   
2

18th Energy Level
Not Available   
127,100.00 kJ/mol   
3

19th Energy Level
Not Available   
138,600.00 kJ/mol   
4

20th Energy Level
Not Available   
148,500.00 kJ/mol   
6

21st Energy Level
Not Available   
158,600.00 kJ/mol   
6

22nd Energy Level
Not Available   
172,500.00 kJ/mol   
5

23rd Energy Level
Not Available   
181,380.00 kJ/mol   
5

Electrochemical Equivalent
Not Available   
0.29 g/amp-hr   
99+

Electron Work Function
Not Available   
4.10 eV   
25

Other Chemical Properties
Ionization, Radioactive Isotopes   
Ionization, Radioactive Isotopes   

Atomic Properties

Atomic Number
107   
11
25   
99+

Electron Configuration
[Rn] 5f14 6d5 7s2   
[Ar] 3d5 4s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
107   
11
25   
99+

Number of Neutrons
155   
8
30   
99+

Number of Electrons
107   
11
25   
99+

Radius of an Atom
  
  

Atomic Radius
128.00 pm   
99+
127.00 pm   
99+

Covalent Radius
141.00 pm   
99+
139.00 pm   
99+

Van der Waals Radius
Not Available   
200.00 pm   
28

Atomic Weight
270.00 amu   
8
54.94 amu   
99+

Atomic Volume
Not Available   
1.39 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Seaborgium
  
Chromium
  

Next Element
Hassium
  
Iron
  

Valence Electron Potential
Not Available   
220.00 (-eV)   
2

Lattice Constant
Not Available   
891.25 pm   
1

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
37.10 g/cm3   
3
7.21 g/cm3   
99+

Density When Liquid (at m.p.)
Not Available   
5.95 g/cm3   
99+

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
12

Elasticity properties
  
  

Bulk Modulus
Not Available   
120.00 GPa   
14

Young's Modulus
Not Available   
198.00 GPa   
12

Poisson Ratio
Not Available   
Not Available   

Other Mechanical Properties
Unknown   
NA   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
Not Available   
7.21   
99+

Magnetic Ordering
Unknown   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Unknown   
Conductor   

Resistivity
Not Available   
1.44 nΩ·m   
99+

Electrical Conductivity
Not Available   
0.01 106/cm Ω   
99+

Electron Affinity
Not Available   
0.00 kJ/mol   
40

Thermal Properties

Specific Heat
Not Available   
0.48 J/(kg K)   
11

Molar Heat Capacity
Not Available   
26.32 J/mol·K   
29

Thermal Conductivity
Not Available   
7.81 W/m·K   
99+

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
Not Available   
21.70 µm/(m·K)   
21

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
219.70 kJ/mol   
99+

Enthalpy of Fusion
Not Available   
14.64 kJ/mol   
23

Enthalpy of Atomization
Not Available   
280.30 kJ/mol   
38

Standard Molar Entropy
Not Available   
32.00 J/mol.K   
99+

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