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Properties of Bismuth and Molybdenum

Bismuth
Molybdenum
Properties of Molybdenum & Bismuth


Physical Properties
Melting Point
271.30 °C   
99+
2,617.00 °C   
5
Boiling Point
1,560.00 °C   
99+
4,612.00 °C   
9
Hardness
  
  
Mohs Hardness
2.25   
15
5.50   
7
Brinell Hardness
70.00 MPa   
99+
1,370.00 MPa   
7
Vickers Hardness
Not Available   
1,400.00 MPa   
6
Optical Properties
  
  
Refractive Index
Not Available   
Not Available   
Reflectivity
Not Available   
58.00 %   
15
Speed of Sound
1,790.00 m/s   
99+
5,400.00 m/s   
6
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   
Mo   
Isotopes
  
  
Known Isotopes
33   
6
25   
14
Electronegativity
  
  
Pauling Electronegativity
2.02   
6
2.16   
5
Sanderson Electronegativity
2.34   
3
1.15   
19
Allred Rochow Electronegativity
1.67   
6
1.30   
24
Mulliken-Jaffe Electronegativity
2.15   
4
Not Available   
Allen Electronegativity
2.01   
4
2.16   
3
Electropositivity
  
  
Pauling Electropositivity
1.98   
99+
1.84   
99+
Ionization Energies
  
  
1st Energy Level
703.00 kJ/mol   
35
684.30 kJ/mol   
37
2nd Energy Level
1,610.00 kJ/mol   
33
1,560.00 kJ/mol   
37
3rd Energy Level
2,466.00 kJ/mol   
99+
2,618.00 kJ/mol   
99+
Electrochemical Equivalent
2.60 g/amp-hr   
19
0.89 g/amp-hr   
99+
Electron Work Function
4.22 eV   
22
4.60 eV   
12
Other Chemical Properties
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility   
?
Anti-corrosion metals have the protection on their surfaces which protect them from corroding in corrosive environments.Anti Corrosion, 
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility   
Mechanical Properties
Density
  
  
Density At Room Temperature
9.78 g/cm3   
39
10.28 g/cm3   
36
Density When Liquid (at m.p.)
10.05 g/cm3   
18
9.33 g/cm3   
20
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
Not Available   
Vapor Pressure at 2000 K
Not Available   
0.00 (Pa)   
26
Tensile Strength
Not Available   
324.00 MPa   
13
Viscosity
Not Available   
Not Available   
Elasticity properties
  
  
Shear Modulus
12.00 GPa   
99+
126.00 GPa   
8
Bulk Modulus
31.00 GPa   
38
230.00 GPa   
6
Young's Modulus
32.00 GPa   
99+
329.00 GPa   
6
Poisson Ratio
0.33   
11
0.31   
13
Other Mechanical Properties
NA   
?
Ductility of metals defines their ability to deform under tensile stress; this is often characterized by the metals ability to be stretched into a wire.Ductile, 
?
Weldability of metals defines their ability to be welded.This property of metals also known as joinability.Weldable   
Periodic Table
Symbol
Bi   
Mo   
Group Number
15   
3
6   
12
Period Number
6   
5   
Block
?
The p-block is on the right side of the periodic table and includes elements from the six columns beginning with column 13 and ending with column 18. Helium, though being in the top of group 18, is not included in the p-block.p block   
?
The d-block is on the middle of the periodic table and includes elements from columns 3 through 12. These elements are also known as the transition metals because they show a transitivity in their properties i.e. they show a trend in their properties.d block   
Element Family
?
All post transition metals are placed in group number 13, 14 and 15 of periodic table. In fact, they are located between Transition Metals and Metalloids. Post transition metals have very poor mechanical properties.Post-​Transition   
?
What is Transition Metal? All transition metals are placed under the d-block from group number 3 to 12. Transition metals show characteristics like malleability, ductility and are good conductor of electricity.Transition Metal   
Atomic Properties
Atomic Number
83   
33
42   
99+
Atomic Weight
208.98 amu   
29
95.95 amu   
99+
Atomic Volume
21.30 cm3/mol   
14
9.40 cm3/mol   
99+
Electron Configuration
[Xe] 4f14 5d10 6s2 6p3   
[Kr] 4d5 5s1   
Valence Electron Potential
41.90 (-eV)   
99+
88.60 (-eV)   
13
Atom
  
  
Number of Protons
83   
33
42   
99+
Number of Neutrons
126   
18
54   
99+
Number of Electrons
83   
33
42   
99+
Crystal Structure
?
Rhombohedral crystal lattice structure comes under trigonal crystal structure. The Rhombohedral crystal structure is a term associated trigonal crystal structure with the rhombohedral lattice.Rhombohedral (RHO)   
?
BCC is a basis type of cubic crystal structure. In crystallography, the cubic crystals structure is a crystal system where the unit cell has a cube shaped structure. This is one of the simplest crystal structure found in crystals of metal.Body Centered Cubic (BCC)   
Crystal Lattice
RHO-Crystal-Structure-of-Bismuth.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
139.00 pm   
39
Covalent Radius
148.00 pm   
36
154.00 pm   
32
Van der Waals Radius
207.00 pm   
26
200.00 pm   
28
Lattice Constant
667.40 pm   
2
314.70 pm   
99+
Lattice Angles
NA   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Adjacent Atomic Numbers
  
  
Next Element
Polonium
  
Technetium
  
Previous Element
Lead
  
Niobium
  
Magnetic Properties
Electrical Properties
  
  
Resistivity
1.29 nΩ·m   
99+
53.40 nΩ·m   
99+
Electrical Conductivity
0.01 106/cm Ω   
99+
0.19 106/cm Ω   
11
Electron Affinity
91.20 kJ/mol   
11
71.90 kJ/mol   
14
Electrical Property
?
Semiconductor metals have conductivity between that of a conductor and an insulator.Semiconductor   
?
Semiconductor metals have conductivity between that of a conductor and an insulator.Semiconductor   
Magnetic Characteristics
  
  
Specific Gravity
9.79   
30
10.22   
27
Magnetic Ordering
?
Diamagnetic metals produce a magnetic field opposite to the applied magnetic field. Thus, they are repelled by magnets and show magnetic nature.Diamagnetic   
?
Paramagnetic metals are slightly attracted by magnet, but they can’t retain the magnetic effect once they are removed from the magnetic field.Paramagnetic   
Permeability
0.00 H/m   
6
Not Available   
Susceptibility
0.00   
6
Not Available   
Thermal Properties
Specific Heat
0.12 J/(kg K)   
40
0.25 J/(kg K)   
21
Thermal Conductivity
7.97 W/m·K   
99+
138.00 W/m·K   
12
Critical Temperature
Not Available   
Not Available   
Molar Heat Capacity
25.52 J/mol·K   
37
24.06 J/mol·K   
99+
Thermal Expansion
13.40 µm/(m·K)   
28
4.80 µm/(m·K)   
99+
Standard Molar Entropy
56.70 J/mol.K   
24
28.70 J/mol.K   
99+
Enthalpy
  
  
Enthalpy of Vaporization
151.00 kJ/mol   
99+
594.10 kJ/mol   
8
Enthalpy of Fusion
10.90 kJ/mol   
33
27.61 kJ/mol   
5
Enthalpy of Atomization
207.10 kJ/mol   
99+
653.00 kJ/mol   
7
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