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Bismuth vs Bohrium

Bismuth
Bohrium
Bohrium vs Bismuth


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