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Silver vs Bismuth


Bismuth vs Silver


Periodic Table

Symbol
Ag  
Bi  

Group Number
11  
7
15  
3

Period Number
5  
6  

Block
d block  
p block  

Element Family
Transition Metal  
Post-​Transition  

CAS Number
7440224  
99+
7440699  
22

Space Group Name
Fm_ 3m  
C12/m1  

Space Group Number
225.00  
3
12.00  
15

Facts

Interesting Facts
  • It is the most reflective element.
  • Silver is the second most ductile metal after Gold.
  • It is also used in Dentistry as a dental alloys for clips and crowning.
  
  • 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
Earth's crust, Found in Minerals, Ores of metals  
Found in Minerals, Mining, Ores of Minerals  

History
  
  

Who Discovered
-  
Claude François Geoffroy  

Discovery
Before 5000 BC  
In 1753  

Abundance
  
  

Abundance In Universe
0.00 %  
27
0.00 %  
26

Abundance In Sun
0.00 %  
26
0.00 %  
14

Abundance In Meteorites
0.00 %  
38
0.00 %  
99+

Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
99+

Abundance In Oceans
0.00 %  
19
0.00 %  
24

Abundance In Humans
0.00 %  
24
0.00 %  
24

Uses

Uses & Benefits
  • Silver is mainly used for Jewelry and show piece.
  • It is used for manufacturing high quality mirrors due to its reflectivity property.
  
  • 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
Chemical Industry, Clothing Industry, Electrical Industry  
Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  

Medical Uses
Dentistry, Pharmaceutical Industry  
Pharmaceutical Industry  

Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues  
Alloys  

Biological Properties
  
  

Toxicity
Non Toxic  
Low Toxic  

Present in Human Body
Yes  
Yes  

In Blood
0.00 Blood/mg dm-3  
29
0.02 Blood/mg dm-3  
20

In Bone
0.44 p.p.m.  
24
0.20 p.p.m.  
27

Physical

Melting Point
961.93 °C  
99+
271.30 °C  
99+

Boiling Point
2,212.00 °C  
99+
1,560.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery White  
Silver  

Luster
Metallic  
Metallic  

Hardness
  
  

Mohs Hardness
2.50  
15
2.25  
16

Brinell Hardness
251.00 MPa  
99+
70.00 MPa  
99+

Vickers Hardness
229.00 MPa  
99+
30.00 MPa  
99+

Speed of Sound
2,680.00 m/s  
99+
1,790.00 m/s  
99+

Optical Properties
  
  

Refractive Index
0.16  
99+
2.50  
5

Reflectivity
97.00 %  
1
70.00 %  
13

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Ag  
Bi  

Isotopes
  
  

Known Isotopes
36  
3
33  
6

Electronegativity
  
  

Pauling Electronegativity
1.93  
10
2.02  
7

Sanderson Electronegativity
1.83  
14
2.34  
3

Allred Rochow Electronegativity
1.42  
19
1.67  
7

Mulliken-Jaffe Electronegativity
1.47  
28
2.15  
8

Allen Electronegativity
1.87  
10
2.01  
5

Electropositivity
  
  

Pauling Electropositivity
2.07  
99+
1.98  
99+

Ionization Energies
  
  

1st Energy Level
731.00 kJ/mol  
27
703.00 kJ/mol  
35

2nd Energy Level
2,070.00 kJ/mol  
11
1,610.00 kJ/mol  
34

3rd Energy Level
3,361.00 kJ/mol  
19
2,466.00 kJ/mol  
99+

4th Energy Level
7,310.00 kJ/mol  
10
4,370.00 kJ/mol  
38

5th Energy Level
7,310.00 kJ/mol  
24
5,400.00 kJ/mol  
99+

6th Energy Level
7,310.00 kJ/mol  
39
8,520.00 kJ/mol  
29

7th Energy level
7,310.00 kJ/mol  
33
7,030.00 kJ/mol  
99+

8th Energy Level
7,310.00 kJ/mol  
31
7,030.00 kJ/mol  
37

9th Energy Level
7,310.00 kJ/mol  
27
7,030.00 kJ/mol  
34

10th Energy Level
7,310.00 kJ/mol  
32
7,030.00 kJ/mol  
38

11th Energy Level
7,310.00 kJ/mol  
31
7,030.00 kJ/mol  
36

12th Energy Level
7,310.00 kJ/mol  
99+
7,030.00 kJ/mol  
99+

13th Energy Level
7,310.00 kJ/mol  
25
7,030.00 kJ/mol  
32

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

15th Energy Level
73,100.00 kJ/mol  
22
70,300.00 kJ/mol  
28

16th Energy Level
73,100.00 kJ/mol  
17
70,300.00 kJ/mol  
23

17th Energy Level
731.00 kJ/mol  
38
703.00 kJ/mol  
99+

18th Energy Level
7,310.00 kJ/mol  
28
7,030.00 kJ/mol  
34

19th Energy Level
731.00 kJ/mol  
35
703.00 kJ/mol  
40

20th Energy Level
731.00 kJ/mol  
29
703.00 kJ/mol  
34

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

22nd Energy Level
731.00 kJ/mol  
23
703.00 kJ/mol  
28

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

24th Energy Level
731.00 kJ/mol  
22
703.00 kJ/mol  
27

25th Energy Level
731.00 kJ/mol  
22
703.00 kJ/mol  
29

26th Energy Level
731.00 kJ/mol  
22
703.00 kJ/mol  
28

27th Energy Level
731.00 kJ/mol  
21
703.00 kJ/mol  
29

28th Energy Level
731.00 kJ/mol  
27
703.00 kJ/mol  
34

29th Energy Level
731.00 kJ/mol  
28
703.00 kJ/mol  
35

30th Energy Level
731.00 kJ/mol  
22
703.00 kJ/mol  
29

Electrochemical Equivalent
4.02 g/amp-hr  
7
2.60 g/amp-hr  
23

Electron Work Function
4.26 eV  
27
4.22 eV  
29

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

Atomic

Atomic Number
47  
99+
83  
33

Electron Configuration
[Kr] 4d10 5s1  
[Xe] 4f14 5d10 6s2 6p3  

Crystal Structure
Face Centered Cubic (FCC)  
Rhombohedral (RHO)  

Crystal Lattice
FCC-Crystal-Structure-of-Silver.jpg#100  
RHO-Crystal-Structure-of-Bismuth.jpg#100  

Atom
  
  

Number of Protons
47  
99+
83  
33

Number of Neutrons
61  
99+
126  
19

Number of Electrons
47  
99+
83  
33

Radius of an Atom
  
  

Atomic Radius
144.00 pm  
38
156.00 pm  
31

Covalent Radius
145.00 pm  
99+
148.00 pm  
38

Van der Waals Radius
172.00 pm  
99+
207.00 pm  
33

Atomic Weight
107.87 amu  
99+
208.98 amu  
29

Atomic Volume
10.30 cm3/mol  
99+
21.30 cm3/mol  
23

Adjacent Atomic Numbers
  
  

Previous Element
Palladium
  
Lead
  

Next Element
Cadmium
  
Polonium
  

Valence Electron Potential
11.40 (-eV)  
99+
41.90 (-eV)  
99+

Lattice Constant
408.53 pm  
23
667.40 pm  
2

Lattice Angles
π/2, π/2, π/2  
-  

Lattice C/A Ratio
1.59  
26
1.86  
4

Mechanical

Density
  
  

Density At Room Temperature
10.49 g/cm3  
37
9.78 g/cm3  
99+

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

Tensile Strength
170.00 MPa  
21
32.00 MPa  
99+

Viscosity
0.00  
23
0.00  
29

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
14
0.00 (Pa)  
22

Vapor Pressure at 2000 K
0.00 (Pa)  
38
0.00 (Pa)  
24

Elasticity properties
  
  

Shear Modulus
30.00 GPa  
27
12.00 GPa  
99+

Bulk Modulus
100.00 GPa  
16
31.00 GPa  
99+

Young's Modulus
83.00 GPa  
25
32.00 GPa  
99+

Poisson Ratio
0.37  
7
0.33  
11

Other Mechanical Properties
Ductile, Malleable  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
10.50  
39
9.79  
99+

Magnetic Ordering
Diamagnetic  
Diamagnetic  

Permeability
0.00 H/m  
17
0.00 H/m  
20

Susceptibility
0.00  
32
0.00  
36

Electrical Properties
  
  

Electrical Property
Conductor  
Semiconductor  

Resistivity
15.87 nΩ·m  
99+
1.29 nΩ·m  
99+

Electrical Conductivity
0.63 106/cm Ω  
1
0.01 106/cm Ω  
99+

Electron Affinity
125.60 kJ/mol  
5
91.20 kJ/mol  
13

Thermal

Specific Heat
0.24 J/(kg K)  
25
0.12 J/(kg K)  
99+

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

Thermal Conductivity
429.00 W/m·K  
1
7.97 W/m·K  
99+

Critical Temperature
1,235.00 K  
99+
544.00 K  
99+

Thermal Expansion
18.90 µm/(m·K)  
25
13.40 µm/(m·K)  
34

Enthalpy
  
  

Enthalpy of Vaporization
255.10 kJ/mol  
99+
151.00 kJ/mol  
99+

Enthalpy of Fusion
11.30 kJ/mol  
37
10.90 kJ/mol  
39

Enthalpy of Atomization
284.50 kJ/mol  
99+
207.10 kJ/mol  
99+

Standard Molar Entropy
42.60 J/mol.K  
99+
56.70 J/mol.K  
32

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