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Bismuth vs Tungsten

Bismuth
Tungsten
Tungsten vs Bismuth


Periodic Table
Symbol
Bi   
W   
Group Number
15   
3
6   
12
Period Number
6   
6   
Block
p block   
d block   
Element Family
Post-​Transition   
Transition Metal   
CAS Number
7440699   
22
7440337   
99+
Space Group Name
C12/m1   
Im_ 3m   
Space Group Number
12.00   
12
229.00   
1
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.
  
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Earth's crust, Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Claude François Geoffroy   
Not Available   
Discovery
In 1753   
In 1781   
Abundance
  
  
Abundance In Universe
7 * 10-8 %   
25
5 * 10-8 %   
27
Abundance In Sun
~0.000006 %   
14
~0.0000004 %   
23
Abundance In Meteorites
0.00 %   
99+
0.00 %   
39
Abundance In Earth's Crust
0.00 %   
99+
0.00 %   
39
Abundance In Oceans
0.00 %   
24
0.00 %   
18
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.
  
  • Tungsten and its alloys are used in high-temperature applications like welding electrodes, high-temperature furnace, etc.
  • Tungsten carbide is very hard and used in metal working, mining and petroleum industry.
  
Industrial Uses
Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry   
Medical Uses
Pharmaceutical Industry   
NA   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Low Toxic   
Non Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.02 Blood/mg dm-3   
20
0.00 Blood/mg dm-3   
31
In Bone
0.20 p.p.m.   
22
0.00 p.p.m.   
35
Physical Properties
Melting Point
271.30 °C   
99+
3,410.00 °C   
1
Boiling Point
1,560.00 °C   
99+
5,660.00 °C   
1
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silver   
Grayish White   
Luster
Metallic   
Lustrous   
Hardness
  
  
Mohs Hardness
2.25   
15
7.50   
2
Brinell Hardness
70.00 MPa   
99+
2,000.00 MPa   
4
Vickers Hardness
Not Available   
3,430.00 MPa   
1
Speed of Sound
1,790.00 m/s   
99+
4,620.00 m/s   
16
Optical Properties
  
  
Reflectivity
Not Available   
62.00 %   
13
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   
W   
Isotopes
  
  
Known Isotopes
33   
6
33   
6
Electronegativity
  
  
Pauling Electronegativity
2.02   
6
2.36   
2
Sanderson Electronegativity
2.34   
3
0.98   
23
Allred Rochow Electronegativity
1.67   
6
1.40   
19
Mulliken-Jaffe Electronegativity
2.15   
4
Not Available   
Allen Electronegativity
2.01   
4
1.47   
29
Electropositivity
  
  
Pauling Electropositivity
1.98   
99+
1.64   
99+
Ionization Energies
  
  
1st Energy Level
703.00 kJ/mol   
35
770.00 kJ/mol   
16
2nd Energy Level
1,610.00 kJ/mol   
33
1,700.00 kJ/mol   
29
3rd Energy Level
2,466.00 kJ/mol   
99+
Not Available   
4th Energy Level
4,370.00 kJ/mol   
28
Not Available   
5th Energy Level
5,400.00 kJ/mol   
30
Not Available   
6th Energy Level
8,520.00 kJ/mol   
19
Not Available   
Electrochemical Equivalent
2.60 g/amp-hr   
19
1.14 g/amp-hr   
99+
Electron Work Function
4.22 eV   
22
4.55 eV   
13
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
83   
33
74   
99+
Electron Configuration
[Xe] 4f14 5d10 6s2 6p3   
[Xe] 4f14 5d4 6s2   
Crystal Structure
Rhombohedral (RHO)   
Body Centered Cubic (BCC)   
Crystal Lattice
RHO-Crystal-Structure-of-Bismuth.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
83   
33
74   
99+
Number of Neutrons
126   
18
110   
27
Number of Electrons
83   
33
74   
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
139.00 pm   
39
Covalent Radius
148.00 pm   
36
162.00 pm   
29
Van der Waals Radius
207.00 pm   
26
200.00 pm   
28
Atomic Weight
208.98 amu   
29
183.84 amu   
37
Atomic Volume
21.30 cm3/mol   
14
9.53 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Lead
  
Tantalum
  
Next Element
Polonium
  
Rhenium
  
Valence Electron Potential
41.90 (-eV)   
99+
140.00 (-eV)   
5
Lattice Constant
667.40 pm   
2
316.52 pm   
99+
Lattice Angles
NA   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
9.78 g/cm3   
39
19.25 g/cm3   
16
Density When Liquid (at m.p.)
10.05 g/cm3   
18
17.60 g/cm3   
5
Tensile Strength
Not Available   
370.00 MPa   
10
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available   
0.00 (Pa)   
32
Elasticity properties
  
  
Shear Modulus
12.00 GPa   
99+
161.00 GPa   
5
Bulk Modulus
31.00 GPa   
38
310.00 GPa   
4
Young's Modulus
32.00 GPa   
99+
411.00 GPa   
4
Poisson Ratio
0.33   
11
0.28   
17
Other Mechanical Properties
NA   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
9.79   
30
19.22   
9
Magnetic Ordering
Diamagnetic   
Paramagnetic   
Permeability
0.00 H/m   
6
Not Available   
Susceptibility
0.00   
6
Not Available   
Electrical Properties
  
  
Electrical Property
Semiconductor   
Superconductor   
Resistivity
1.29 nΩ·m   
99+
52.80 nΩ·m   
99+
Electrical Conductivity
0.01 106/cm Ω   
99+
0.19 106/cm Ω   
10
Electron Affinity
91.20 kJ/mol   
11
78.60 kJ/mol   
13
Thermal Properties
Specific Heat
0.12 J/(kg K)   
40
0.13 J/(kg K)   
39
Molar Heat Capacity
25.52 J/mol·K   
37
24.27 J/mol·K   
99+
Thermal Conductivity
7.97 W/m·K   
99+
173.00 W/m·K   
7
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
13.40 µm/(m·K)   
28
4.50 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
151.00 kJ/mol   
99+
799.10 kJ/mol   
1
Enthalpy of Fusion
10.90 kJ/mol   
33
35.23 kJ/mol   
1
Enthalpy of Atomization
207.10 kJ/mol   
99+
837.00 kJ/mol   
1
Standard Molar Entropy
56.70 J/mol.K   
24
32.60 J/mol.K   
99+
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