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Silver vs Zinc

Silver
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  
2
194.00  
5
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
Unknown  
Indian metallurgists  
Discovery
Before 5000 BC  
Before 1000 BCE  
Abundance
  
  
Abundance In Universe
6 * 10-8 %  
26
3 * 10-5 %  
11
Abundance In Sun
~0.0000001 %  
26
~0.0002 %  
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
Not Available  
0.00 %  
6
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.  
20
170.00 p.p.m.  
6
Physical Properties
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  
14
2.50  
14
Brinell Hardness
251.00 MPa  
37
327.00 MPa  
32
Vickers Hardness
229.00 MPa  
30
Not Available  
Speed of Sound
2,680.00 m/s  
34
3,850.00 m/s  
18
Optical Properties
  
  
Refractive Index
Not Available  
1.00  
2
Reflectivity
97.00 %  
1
80.00 %  
5
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
Ag  
Zn  
Isotopes
  
  
Known Isotopes
36  
3
25  
14
Electronegativity
  
  
Pauling Electronegativity
1.93  
9
1.65  
19
Sanderson Electronegativity
1.83  
11
2.23  
6
Allred Rochow Electronegativity
1.42  
18
1.66  
7
Mulliken-Jaffe Electronegativity
1.47  
15
1.65  
11
Allen Electronegativity
1.87  
7
1.59  
22
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  
27
3rd Energy Level
3,361.00 kJ/mol  
19
3,833.00 kJ/mol  
12
4th Energy Level
Not Available  
5,731.00 kJ/mol  
11
5th Energy Level
Not Available  
7,970.00 kJ/mol  
9
6th Energy Level
Not Available  
10,400.00 kJ/mol  
9
7th Energy level
Not Available  
12,900.00 kJ/mol  
9
8th Energy Level
Not Available  
16,800.00 kJ/mol  
6
9th Energy Level
Not Available  
19,600.00 kJ/mol  
8
10th Energy Level
Not Available  
23,000.00 kJ/mol  
10
11th Energy Level
Not Available  
26,400.00 kJ/mol  
11
12th Energy Level
Not Available  
29,990.00 kJ/mol  
11
13th Energy Level
Not Available  
40,490.00 kJ/mol  
5
14th Energy Level
Not Available  
43,800.00 kJ/mol  
6
15th Energy Level
Not Available  
47,300.00 kJ/mol  
8
16th Energy Level
Not Available  
52,300.00 kJ/mol  
9
17th Energy Level
Not Available  
55,900.00 kJ/mol  
10
18th Energy Level
Not Available  
59,700.00 kJ/mol  
11
19th Energy Level
Not Available  
67,300.00 kJ/mol  
10
20th Energy Level
Not Available  
171,200.00 kJ/mol  
1
21st Energy Level
Not Available  
179,100.00 kJ/mol  
1
Electrochemical Equivalent
4.02 g/amp-hr  
7
1.22 g/amp-hr  
99+
Electron Work Function
4.26 eV  
20
4.33 eV  
17
Other Chemical Properties
Chemical Stability, Ionization, Solubility  
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes  
Atomic Properties
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  
36
134.00 pm  
99+
Covalent Radius
145.00 pm  
39
122.00 pm  
99+
Van der Waals Radius
172.00 pm  
38
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  
20
266.49 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
Not Available  
Not Available  
Mechanical Properties
Density
  
  
Density At Room Temperature
10.49 g/cm3  
35
7.14 g/cm3  
99+
Density When Liquid (at m.p.)
9.32 g/cm3  
21
6.57 g/cm3  
37
Tensile Strength
Not Available  
Not Available  
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
14
Not Available  
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
23
43.00 GPa  
18
Bulk Modulus
100.00 GPa  
16
70.00 GPa  
19
Young's Modulus
83.00 GPa  
23
108.00 GPa  
19
Poisson Ratio
0.37  
7
0.25  
24
Other Mechanical Properties
Ductile, Malleable  
NA  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
10.50  
26
6.90  
99+
Magnetic Ordering
Diamagnetic  
Diamagnetic  
Susceptibility
0.00  
5
Not Available  
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  
40
Thermal Properties
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  
39
Thermal Conductivity
429.00 W/m·K  
1
116.00 W/m·K  
14
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
18.90 µm/(m·K)  
23
30.20 µm/(m·K)  
11
Enthalpy
  
  
Enthalpy of Vaporization
255.10 kJ/mol  
37
7.32 kJ/mol  
99+
Enthalpy of Fusion
11.30 kJ/mol  
31
7.32 kJ/mol  
99+
Enthalpy of Atomization
284.50 kJ/mol  
37
129.70 kJ/mol  
99+
Standard Molar Entropy
42.60 J/mol.K  
35
41.60 J/mol.K  
36
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