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Bismuth vs 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  
15
229.00  
2

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  
-  

Discovery
In 1753  
In 1781  

Abundance
  
  

Abundance In Universe
0.00 %  
26
0.00 %  
28

Abundance In Sun
0.00 %  
14
0.00 %  
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

Abundance In Humans
0.00 %  
24
0.00 %  
24

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  
-  

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.  
27
0.00 p.p.m.  
40

Physical

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  
16
7.50  
2

Brinell Hardness
70.00 MPa  
99+
2,000.00 MPa  
4

Vickers Hardness
30.00 MPa  
99+
3,430.00 MPa  
3

Speed of Sound
1,790.00 m/s  
99+
4,620.00 m/s  
20

Optical Properties
  
  

Refractive Index
2.50  
5
2.10  
11

Reflectivity
70.00 %  
13
62.00 %  
21

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Bi  
W  

Isotopes
  
  

Known Isotopes
33  
6
33  
6

Electronegativity
  
  

Pauling Electronegativity
2.02  
7
2.36  
3

Sanderson Electronegativity
2.34  
3
0.98  
99+

Allred Rochow Electronegativity
1.67  
7
1.40  
20

Mulliken-Jaffe Electronegativity
2.15  
8
2.36  
3

Allen Electronegativity
2.01  
5
1.47  
33

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  
34
1,700.00 kJ/mol  
30

3rd Energy Level
2,466.00 kJ/mol  
99+
2,045.40 kJ/mol  
99+

4th Energy Level
4,370.00 kJ/mol  
38
7,700.00 kJ/mol  
8

5th Energy Level
5,400.00 kJ/mol  
99+
7,700.00 kJ/mol  
17

6th Energy Level
8,520.00 kJ/mol  
29
7,700.00 kJ/mol  
35

7th Energy level
7,030.00 kJ/mol  
99+
7,700.00 kJ/mol  
29

8th Energy Level
7,030.00 kJ/mol  
37
7,700.00 kJ/mol  
29

9th Energy Level
7,030.00 kJ/mol  
34
7,700.00 kJ/mol  
25

10th Energy Level
7,030.00 kJ/mol  
38
7,700.00 kJ/mol  
29

11th Energy Level
7,030.00 kJ/mol  
36
7,700.00 kJ/mol  
28

12th Energy Level
7,030.00 kJ/mol  
99+
7,700.00 kJ/mol  
99+

13th Energy Level
7,030.00 kJ/mol  
32
7,700.00 kJ/mol  
21

14th Energy Level
7,030.00 kJ/mol  
22
770.00 kJ/mol  
99+

15th Energy Level
70,300.00 kJ/mol  
28
77,000.00 kJ/mol  
18

16th Energy Level
70,300.00 kJ/mol  
23
77,000.00 kJ/mol  
13

17th Energy Level
703.00 kJ/mol  
99+
770.00 kJ/mol  
34

18th Energy Level
7,030.00 kJ/mol  
34
7,700.00 kJ/mol  
24

19th Energy Level
703.00 kJ/mol  
40
770.00 kJ/mol  
31

20th Energy Level
703.00 kJ/mol  
34
770.00 kJ/mol  
25

21st Energy Level
7,030.00 kJ/mol  
12
770.00 kJ/mol  
99+

22nd Energy Level
703.00 kJ/mol  
28
770.00 kJ/mol  
19

23rd Energy Level
7,030.00 kJ/mol  
10
770.00 kJ/mol  
99+

24th Energy Level
703.00 kJ/mol  
27
770.00 kJ/mol  
15

25th Energy Level
703.00 kJ/mol  
29
770.00 kJ/mol  
14

26th Energy Level
703.00 kJ/mol  
28
770.00 kJ/mol  
14

27th Energy Level
703.00 kJ/mol  
29
770.00 kJ/mol  
13

28th Energy Level
703.00 kJ/mol  
34
770.00 kJ/mol  
19

29th Energy Level
703.00 kJ/mol  
35
770.00 kJ/mol  
19

30th Energy Level
703.00 kJ/mol  
29
770.00 kJ/mol  
14

Electrochemical Equivalent
2.60 g/amp-hr  
23
1.14 g/amp-hr  
99+

Electron Work Function
4.22 eV  
29
4.55 eV  
18

Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility  
Ionization, Radioactive Isotopes, Solubility  

Atomic

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  
19
110  
28

Number of Electrons
83  
33
74  
99+

Radius of an Atom
  
  

Atomic Radius
156.00 pm  
31
139.00 pm  
99+

Covalent Radius
148.00 pm  
38
162.00 pm  
31

Van der Waals Radius
207.00 pm  
33
200.00 pm  
35

Atomic Weight
208.98 amu  
29
183.84 amu  
37

Atomic Volume
21.30 cm3/mol  
23
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
-  
π/2, π/2, π/2  

Lattice C/A Ratio
1.86  
4
1.29  
99+

Mechanical

Density
  
  

Density At Room Temperature
9.78 g/cm3  
99+
19.25 g/cm3  
16

Density When Liquid (at m.p.)
10.05 g/cm3  
99+
17.60 g/cm3  
15

Tensile Strength
32.00 MPa  
99+
370.00 MPa  
11

Viscosity
0.00  
29
0.00  
1

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
37

Vapor Pressure at 2000 K
0.00 (Pa)  
24
0.00 (Pa)  
99+

Elasticity properties
  
  

Shear Modulus
12.00 GPa  
99+
161.00 GPa  
5

Bulk Modulus
31.00 GPa  
99+
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
-  
Ductile, Malleable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
9.79  
99+
19.22  
18

Magnetic Ordering
Diamagnetic  
Paramagnetic  

Permeability
0.00 H/m  
20
0.00 H/m  
17

Susceptibility
0.00  
36
0.00  
23

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  
13
78.60 kJ/mol  
15

Thermal

Specific Heat
0.12 J/(kg K)  
99+
0.13 J/(kg K)  
40

Molar Heat Capacity
25.52 J/mol·K  
99+
24.27 J/mol·K  
99+

Thermal Conductivity
7.97 W/m·K  
99+
173.00 W/m·K  
7

Critical Temperature
544.00 K  
99+
3,695.00 K  
1

Thermal Expansion
13.40 µm/(m·K)  
34
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  
39
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  
32
32.60 J/mol.K  
99+

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