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Bohrium vs Bismuth

Bohrium
Bismuth
Bismuth vs Bohrium


Periodic Table
Symbol
Bh  
Bi  
Group Number
7  
11
15  
3
Period Number
7  
6  
Block
d block  
p block  
Element Family
Transition Metal  
Post-​Transition  
CAS Number
54037148  
12
7440699  
22
Space Group Name
Not Available  
C12/m1  
Space Group Number
Not Available  
12.00  
12
Facts
Interesting Facts
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
  
  • Bismuth metal is soluble and reacts with concentrated nitric acid.
  • It oxides are used as a yellow pigment in paint. Bismuth chloride oxide BiClO gives a pearly texture to cosmetics.
  
Sources
Found in Minerals, Mining, Synthetically Produced  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Claude François Geoffroy  
Discovery
In 1981  
In 1753  
Abundance
  
  
Abundance In Universe
Not Available  
7 * 10-8 %  
25
Abundance In Sun
~-9999 %  
~0.000006 %  
14
Abundance In Meteorites
Not Available  
0.00 %  
99+
Abundance In Earth's Crust
Not Available  
0.00 %  
99+
Abundance In Oceans
Not Available  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Bohrium metal are limited to research purpose only.
  
  • Tin and bismuth alloys have a very low melting point and hence it is used in fire detector and the fire extinguishers. It also used in electric solders and fuses.
  
Industrial Uses
NA  
Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Medical Uses
NA  
Pharmaceutical Industry  
Other Uses
Research Purposes  
Alloys  
Biological Properties
  
  
Toxicity
Unknown  
Low Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
37
0.02 Blood/mg dm-3  
20
In Bone
0.00 p.p.m.  
36
0.20 p.p.m.  
22
Physical Properties
Melting Point
Not Available  
271.30 °C  
99+
Boiling Point
Not Available  
1,560.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Unknown  
Silver  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
Not Available  
2.25  
15
Brinell Hardness
Not Available  
70.00 MPa  
99+
Speed of Sound
Not Available  
1,790.00 m/s  
99+
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  
Bi  
Isotopes
  
  
Known Isotopes
5  
32
33  
6
Electronegativity
  
  
Pauling Electronegativity
Not Available  
2.02  
6
Sanderson Electronegativity
Not Available  
2.34  
3
Allred Rochow Electronegativity
Not Available  
1.67  
6
Mulliken-Jaffe Electronegativity
Not Available  
2.15  
4
Allen Electronegativity
Not Available  
2.01  
4
Electropositivity
  
  
Pauling Electropositivity
Not Available  
1.98  
99+
Ionization Energies
  
  
1st Energy Level
742.90 kJ/mol  
23
703.00 kJ/mol  
35
2nd Energy Level
1,688.50 kJ/mol  
30
1,610.00 kJ/mol  
33
3rd Energy Level
2,566.50 kJ/mol  
99+
2,466.00 kJ/mol  
99+
4th Energy Level
3,598.90 kJ/mol  
99+
4,370.00 kJ/mol  
28
5th Energy Level
4,727.80 kJ/mol  
37
5,400.00 kJ/mol  
30
6th Energy Level
5,991.70 kJ/mol  
24
8,520.00 kJ/mol  
19
7th Energy level
7,226.80 kJ/mol  
22
Not Available  
Electrochemical Equivalent
Not Available  
2.60 g/amp-hr  
19
Electron Work Function
Not Available  
4.22 eV  
22
Other Chemical Properties
Ionization, Radioactive Isotopes  
Ionization, Radioactive Isotopes, Solubility  
Atomic Properties
Atomic Number
107  
11
83  
33
Electron Configuration
[Rn] 5f14 6d5 7s2  
[Xe] 4f14 5d10 6s2 6p3  
Crystal Structure
Hexagonal Close Packed (HCP)  
Rhombohedral (RHO)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
RHO-Crystal-Structure-of-Bismuth.jpg#100  
Atom
  
  
Number of Protons
107  
11
83  
33
Number of Neutrons
155  
8
126  
18
Number of Electrons
107  
11
83  
33
Radius of an Atom
  
  
Atomic Radius
128.00 pm  
99+
156.00 pm  
29
Covalent Radius
141.00 pm  
99+
148.00 pm  
36
Van der Waals Radius
Not Available  
207.00 pm  
26
Atomic Weight
270.00 amu  
8
208.98 amu  
29
Atomic Volume
Not Available  
21.30 cm3/mol  
14
Adjacent Atomic Numbers
  
  
Previous Element
Seaborgium
  
Lead
  
Next Element
Hassium
  
Polonium
  
Valence Electron Potential
Not Available  
41.90 (-eV)  
99+
Lattice Constant
Not Available  
667.40 pm  
2
Lattice Angles
NA  
NA  
Lattice C/A Ratio
Not Available  
Not Available  
Mechanical Properties
Density
  
  
Density At Room Temperature
37.10 g/cm3  
3
9.78 g/cm3  
39
Density When Liquid (at m.p.)
Not Available  
10.05 g/cm3  
18
Tensile Strength
Not Available  
Not Available  
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Elasticity properties
  
  
Shear Modulus
Not Available  
12.00 GPa  
99+
Bulk Modulus
Not Available  
31.00 GPa  
38
Young's Modulus
Not Available  
32.00 GPa  
99+
Poisson Ratio
Not Available  
0.33  
11
Other Mechanical Properties
Unknown  
NA  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available  
9.79  
30
Magnetic Ordering
Unknown  
Diamagnetic  
Permeability
Not Available  
0.00 H/m  
6
Susceptibility
Not Available  
0.00  
6
Electrical Properties
  
  
Electrical Property
Unknown  
Semiconductor  
Resistivity
Not Available  
1.29 nΩ·m  
99+
Electrical Conductivity
Not Available  
0.01 106/cm Ω  
99+
Electron Affinity
Not Available  
91.20 kJ/mol  
11
Thermal Properties
Specific Heat
Not Available  
0.12 J/(kg K)  
40
Molar Heat Capacity
Not Available  
25.52 J/mol·K  
37
Thermal Conductivity
Not Available  
7.97 W/m·K  
99+
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
Not Available  
13.40 µm/(m·K)  
28
Enthalpy
  
  
Enthalpy of Vaporization
Not Available  
151.00 kJ/mol  
99+
Enthalpy of Fusion
Not Available  
10.90 kJ/mol  
33
Enthalpy of Atomization
Not Available  
207.10 kJ/mol  
99+
Standard Molar Entropy
Not Available  
56.70 J/mol.K  
24
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