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Roentgenium Bismuth Comparison


Bismuth Roentgenium comparison


Periodic Table

Symbol
Rg   
Bi   

Group Number
11   
7
15   
3

Period Number
7   
6   

Block
d block   
p block   

Element Family
Unknown   
Post-​Transition   

CAS Number
54386242   
1
7440699   
22

Space Group Name
Not Available   
C12/m1   

Space Group Number
194.00   
5
12.00   
12

Facts

Interesting Facts
Not Available   
  • 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
Synthetically Produced   
Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
Gesellschaft für Schwerionenforschung   
Claude François Geoffroy   

Discovery
In 1994   
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 Roentgenium 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
Silver   
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
Rg   
Bi   

Isotopes
  
  

Known Isotopes
1   
34
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
1,022.70 kJ/mol   
3
703.00 kJ/mol   
35

2nd Energy Level
2,074.40 kJ/mol   
10
1,610.00 kJ/mol   
33

3rd Energy Level
3,077.90 kJ/mol   
24
2,466.00 kJ/mol   
99+

4th Energy Level
4,052.40 kJ/mol   
36
4,370.00 kJ/mol   
28

5th Energy Level
5,306.70 kJ/mol   
31
5,400.00 kJ/mol   
30

6th Energy Level
Not Available   
8,520.00 kJ/mol   
19

Electrochemical Equivalent
Not Available   
2.60 g/amp-hr   
19

Electron Work Function
Not Available   
4.22 eV   
22

Other Chemical Properties
NA   
Ionization, Radioactive Isotopes, Solubility   

Atomic Properties

Atomic Number
111   
7
83   
33

Electron Configuration
[Rn] 5f14 6d9 7s2   
[Xe] 4f14 5d10 6s2 6p3   

Crystal Structure
Body Centered Cubic (BCC)   
Rhombohedral (RHO)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
RHO-Crystal-Structure-of-Bismuth.jpg#100   

Atom
  
  

Number of Protons
111   
7
83   
33

Number of Neutrons
161   
3
126   
18

Number of Electrons
111   
7
83   
33

Radius of an Atom
  
  

Atomic Radius
Not Available   
156.00 pm   
29

Covalent Radius
Not Available   
148.00 pm   
36

Van der Waals Radius
Not Available   
207.00 pm   
26

Atomic Weight
281.00 amu   
6
208.98 amu   
29

Atomic Volume
Not Available   
21.30 cm3/mol   
14

Adjacent Atomic Numbers
  
  

Previous Element
Lead
  

Next Element
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
28.70 g/cm3   
6
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

Summary >>
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