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Properties of Tungsten and Bismuth

Tungsten
Bismuth
Properties of Bismuth & Tungsten


Physical Properties
Melting Point
3,410.00 °C   
1
271.30 °C   
99+
Boiling Point
5,660.00 °C   
1
1,560.00 °C   
99+
Hardness
  
  
Mohs Hardness
7.50   
2
2.25   
15
Brinell Hardness
2,000.00 MPa   
4
70.00 MPa   
99+
Vickers Hardness
3,430.00 MPa   
1
Not Available   
Optical Properties
  
  
Refractive Index
Not Available   
Not Available   
Reflectivity
62.00 %   
13
Not Available   
Speed of Sound
4,620.00 m/s   
16
1,790.00 m/s   
99+
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
W   
Bi   
Isotopes
  
  
Known Isotopes
33   
6
33   
6
Electronegativity
  
  
Pauling Electronegativity
2.36   
2
2.02   
6
Sanderson Electronegativity
0.98   
23
2.34   
3
Allred Rochow Electronegativity
1.40   
19
1.67   
6
Mulliken-Jaffe Electronegativity
Not Available   
2.15   
4
Allen Electronegativity
1.47   
29
2.01   
4
Electropositivity
  
  
Pauling Electropositivity
1.64   
99+
1.98   
99+
Ionization Energies
  
  
1st Energy Level
770.00 kJ/mol   
16
703.00 kJ/mol   
35
2nd Energy Level
1,700.00 kJ/mol   
29
1,610.00 kJ/mol   
33
3rd Energy Level
Not Available   
2,466.00 kJ/mol   
99+
Electrochemical Equivalent
1.14 g/amp-hr   
99+
2.60 g/amp-hr   
19
Electron Work Function
4.55 eV   
13
4.22 eV   
22
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   
?
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
19.25 g/cm3   
16
9.78 g/cm3   
39
Density When Liquid (at m.p.)
17.60 g/cm3   
5
10.05 g/cm3   
18
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
Not Available   
Vapor Pressure at 2000 K
0.00 (Pa)   
32
Not Available   
Tensile Strength
370.00 MPa   
10
Not Available   
Viscosity
Not Available   
Not Available   
Elasticity properties
  
  
Shear Modulus
161.00 GPa   
5
12.00 GPa   
99+
Bulk Modulus
310.00 GPa   
4
31.00 GPa   
38
Young's Modulus
411.00 GPa   
4
32.00 GPa   
99+
Poisson Ratio
0.28   
17
0.33   
11
Other Mechanical Properties
?
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, 
?
Malleability of metals defines their ability to deform under compressive stress; this is often characterized by the metals ability to form a thin sheet by hammering or rolling.Malleable   
NA   
Periodic Table
Symbol
W   
Bi   
Group Number
6   
12
15   
3
Period Number
6   
6   
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   
?
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   
Element Family
?
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   
?
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   
Atomic Properties
Atomic Number
74   
99+
83   
33
Atomic Weight
183.84 amu   
37
208.98 amu   
29
Atomic Volume
9.53 cm3/mol   
99+
21.30 cm3/mol   
14
Electron Configuration
[Xe] 4f14 5d4 6s2   
[Xe] 4f14 5d10 6s2 6p3   
Valence Electron Potential
140.00 (-eV)   
5
41.90 (-eV)   
99+
Atom
  
  
Number of Protons
74   
99+
83   
33
Number of Neutrons
110   
27
126   
18
Number of Electrons
74   
99+
83   
33
Crystal Structure
?
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)   
?
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)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
RHO-Crystal-Structure-of-Bismuth.jpg#100   
Radius of an Atom
  
  
Atomic Radius
139.00 pm   
39
156.00 pm   
29
Covalent Radius
162.00 pm   
29
148.00 pm   
36
Van der Waals Radius
200.00 pm   
28
207.00 pm   
26
Lattice Constant
316.52 pm   
99+
667.40 pm   
2
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Adjacent Atomic Numbers
  
  
Next Element
Rhenium
  
Polonium
  
Previous Element
Tantalum
  
Lead
  
Magnetic Properties
Electrical Properties
  
  
Resistivity
52.80 nΩ·m   
99+
1.29 nΩ·m   
99+
Electrical Conductivity
0.19 106/cm Ω   
10
0.01 106/cm Ω   
99+
Electron Affinity
78.60 kJ/mol   
13
91.20 kJ/mol   
11
Electrical Property
?
Under certain conditions, superconductor metals offer zero resistance to electric current it means this type of metals will conduct electricity without any resistance.Superconductor   
?
Semiconductor metals have conductivity between that of a conductor and an insulator.Semiconductor   
Magnetic Characteristics
  
  
Specific Gravity
19.22   
9
9.79   
30
Magnetic Ordering
?
Paramagnetic metals are slightly attracted by magnet, but they can’t retain the magnetic effect once they are removed from the magnetic field.Paramagnetic   
?
Diamagnetic metals produce a magnetic field opposite to the applied magnetic field. Thus, they are repelled by magnets and show magnetic nature.Diamagnetic   
Permeability
Not Available   
0.00 H/m   
6
Susceptibility
Not Available   
0.00   
6
Thermal Properties
Specific Heat
0.13 J/(kg K)   
39
0.12 J/(kg K)   
40
Thermal Conductivity
173.00 W/m·K   
7
7.97 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Molar Heat Capacity
24.27 J/mol·K   
99+
25.52 J/mol·K   
37
Thermal Expansion
4.50 µm/(m·K)   
99+
13.40 µm/(m·K)   
28
Standard Molar Entropy
32.60 J/mol.K   
99+
56.70 J/mol.K   
24
Enthalpy
  
  
Enthalpy of Vaporization
799.10 kJ/mol   
1
151.00 kJ/mol   
99+
Enthalpy of Fusion
35.23 kJ/mol   
1
10.90 kJ/mol   
33
Enthalpy of Atomization
837.00 kJ/mol   
1
207.10 kJ/mol   
99+
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