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Silver vs Zinc


Zinc vs Silver


Periodic Table

Symbol
Ag  
Zn  

Group Number
11  
7
12  
6

Period Number
5  
4  

Block
d block  
d block  

Element Family
Transition Metal  
Transition Metal  

CAS Number
7440224  
99+
7440666  
24

Space Group Name
Fm_ 3m  
P63/mmc  

Space Group Number
225.00  
3
194.00  
7

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.
  
  • Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
  • The leading producers of Zinc metal are Australia, Canada, China, U.S.A and Peru.
  

Sources
Earth's crust, Found in Minerals, Ores of metals  
Earth's crust, Found in Minerals, Mining, Ores of Minerals  

History
  
  

Who Discovered
-  
Indian metallurgists  

Discovery
Before 5000 BC  
Before 1000 BCE  

Abundance
  
  

Abundance In Universe
0.00 %  
27
0.00 %  
12

Abundance In Sun
0.00 %  
26
0.00 %  
10

Abundance In Meteorites
0.00 %  
38
0.02 %  
12

Abundance In Earth's Crust
0.00 %  
99+
0.01 %  
16

Abundance In Oceans
0.00 %  
19
0.00 %  
10

Abundance In Humans
0.00 %  
24
0.00 %  
7

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.
  
  • It is mainly used for Galvanizing other metals.
  • It is also used for manufacturing die-casting and it is very essential for automobile industry.
  

Industrial Uses
Chemical Industry, Clothing Industry, Electrical 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  
Highly Toxic  

Present in Human Body
Yes  
Yes  

In Blood
0.00 Blood/mg dm-3  
29
7.00 Blood/mg dm-3  
6

In Bone
0.44 p.p.m.  
24
170.00 p.p.m.  
6

Physical

Melting Point
961.93 °C  
99+
419.58 °C  
99+

Boiling Point
2,212.00 °C  
99+
907.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery White  
Silvery Gray  

Luster
Metallic  
Metallic  

Hardness
  
  

Mohs Hardness
2.50  
15
2.50  
15

Brinell Hardness
251.00 MPa  
99+
327.00 MPa  
39

Vickers Hardness
229.00 MPa  
99+
207.00 MPa  
99+

Speed of Sound
2,680.00 m/s  
99+
3,850.00 m/s  
25

Optical Properties
  
  

Refractive Index
0.16  
99+
1.00  
99+

Reflectivity
97.00 %  
1
80.00 %  
7

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Ag  
Zn  

Isotopes
  
  

Known Isotopes
36  
3
25  
14

Electronegativity
  
  

Pauling Electronegativity
1.93  
10
1.65  
20

Sanderson Electronegativity
1.83  
14
2.23  
7

Allred Rochow Electronegativity
1.42  
19
1.66  
8

Mulliken-Jaffe Electronegativity
1.47  
28
1.65  
20

Allen Electronegativity
1.87  
10
1.59  
25

Electropositivity
  
  

Pauling Electropositivity
2.07  
99+
2.35  
35

Ionization Energies
  
  

1st Energy Level
731.00 kJ/mol  
27
906.40 kJ/mol  
6

2nd Energy Level
2,070.00 kJ/mol  
11
1,733.30 kJ/mol  
28

3rd Energy Level
3,361.00 kJ/mol  
19
3,833.00 kJ/mol  
12

4th Energy Level
7,310.00 kJ/mol  
10
5,731.00 kJ/mol  
20

5th Energy Level
7,310.00 kJ/mol  
24
7,970.00 kJ/mol  
15

6th Energy Level
7,310.00 kJ/mol  
39
10,400.00 kJ/mol  
15

7th Energy level
7,310.00 kJ/mol  
33
12,900.00 kJ/mol  
9

8th Energy Level
7,310.00 kJ/mol  
31
16,800.00 kJ/mol  
6

9th Energy Level
7,310.00 kJ/mol  
27
19,600.00 kJ/mol  
8

10th Energy Level
7,310.00 kJ/mol  
32
23,000.00 kJ/mol  
10

11th Energy Level
7,310.00 kJ/mol  
31
26,400.00 kJ/mol  
11

12th Energy Level
7,310.00 kJ/mol  
99+
29,990.00 kJ/mol  
33

13th Energy Level
7,310.00 kJ/mol  
25
40,490.00 kJ/mol  
5

14th Energy Level
731.00 kJ/mol  
99+
43,800.00 kJ/mol  
6

15th Energy Level
73,100.00 kJ/mol  
22
47,300.00 kJ/mol  
99+

16th Energy Level
73,100.00 kJ/mol  
17
52,300.00 kJ/mol  
99+

17th Energy Level
731.00 kJ/mol  
38
55,900.00 kJ/mol  
10

18th Energy Level
7,310.00 kJ/mol  
28
59,700.00 kJ/mol  
11

19th Energy Level
731.00 kJ/mol  
35
67,300.00 kJ/mol  
10

20th Energy Level
731.00 kJ/mol  
29
171,200.00 kJ/mol  
1

21st Energy Level
731.00 kJ/mol  
99+
179,100.00 kJ/mol  
1

22nd Energy Level
731.00 kJ/mol  
23
906.00 kJ/mol  
9

23rd Energy Level
731.00 kJ/mol  
99+
906.40 kJ/mol  
37

24th Energy Level
731.00 kJ/mol  
22
906.40 kJ/mol  
5

25th Energy Level
731.00 kJ/mol  
22
906.40 kJ/mol  
4

26th Energy Level
731.00 kJ/mol  
22
906.40 kJ/mol  
4

27th Energy Level
731.00 kJ/mol  
21
906.40 kJ/mol  
3

28th Energy Level
731.00 kJ/mol  
27
906.40 kJ/mol  
6

29th Energy Level
731.00 kJ/mol  
28
906.40 kJ/mol  
7

30th Energy Level
731.00 kJ/mol  
22
906.40 kJ/mol  
4

Electrochemical Equivalent
4.02 g/amp-hr  
7
1.22 g/amp-hr  
99+

Electron Work Function
4.26 eV  
27
4.33 eV  
24

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

Atomic

Atomic Number
47  
99+
30  
99+

Electron Configuration
[Kr] 4d10 5s1  
[Ar] 3d10 4s2  

Crystal Structure
Face Centered Cubic (FCC)  
Hexagonal Close Packed (HCP)  

Crystal Lattice
FCC-Crystal-Structure-of-Silver.jpg#100  
HCP-Crystal-Structure-of-Zinc.jpg#100  

Atom
  
  

Number of Protons
47  
99+
30  
99+

Number of Neutrons
61  
99+
35  
99+

Number of Electrons
47  
99+
30  
99+

Radius of an Atom
  
  

Atomic Radius
144.00 pm  
38
134.00 pm  
99+

Covalent Radius
145.00 pm  
99+
122.00 pm  
99+

Van der Waals Radius
172.00 pm  
99+
139.00 pm  
99+

Atomic Weight
107.87 amu  
99+
65.38 amu  
99+

Atomic Volume
10.30 cm3/mol  
99+
9.20 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Palladium
  
Copper
  

Next Element
Cadmium
  
Gallium
  

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

Lattice Constant
408.53 pm  
23
266.49 pm  
99+

Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  

Lattice C/A Ratio
1.59  
26
1.86  
4

Mechanical

Density
  
  

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

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

Tensile Strength
170.00 MPa  
21
120.00 MPa  
27

Viscosity
0.00  
23
0.00  
7

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
14
0.00 (Pa)  
37

Vapor Pressure at 2000 K
0.00 (Pa)  
38
0.00 (Pa)  
37

Elasticity properties
  
  

Shear Modulus
30.00 GPa  
27
43.00 GPa  
18

Bulk Modulus
100.00 GPa  
16
70.00 GPa  
20

Young's Modulus
83.00 GPa  
25
108.00 GPa  
21

Poisson Ratio
0.37  
7
0.25  
24

Other Mechanical Properties
Ductile, Malleable  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
10.50  
39
6.90  
99+

Magnetic Ordering
Diamagnetic  
Diamagnetic  

Permeability
0.00 H/m  
17
0.00 H/m  
16

Susceptibility
0.00  
32
0.00  
6

Electrical Properties
  
  

Electrical Property
Conductor  
Conductor  

Resistivity
15.87 nΩ·m  
99+
59.00 nΩ·m  
40

Electrical Conductivity
0.63 106/cm Ω  
1
0.17 106/cm Ω  
12

Electron Affinity
125.60 kJ/mol  
5
0.00 kJ/mol  
99+

Thermal

Specific Heat
0.24 J/(kg K)  
25
0.39 J/(kg K)  
14

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

Thermal Conductivity
429.00 W/m·K  
1
116.00 W/m·K  
14

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

Thermal Expansion
18.90 µm/(m·K)  
25
30.20 µm/(m·K)  
11

Enthalpy
  
  

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

Enthalpy of Fusion
11.30 kJ/mol  
37
7.32 kJ/mol  
99+

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

Standard Molar Entropy
42.60 J/mol.K  
99+
41.60 J/mol.K  
99+

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