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Tungsten vs Silver

Tungsten
Silver
Silver vs Tungsten


Periodic Table
Symbol
W  
Ag  
Group Number
6  
12
11  
7
Period Number
6  
5  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7440337  
99+
7440224  
99+
Space Group Name
Im_ 3m  
Fm_ 3m  
Space Group Number
229.00  
2
225.00  
3
Facts
Interesting Facts
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
  • 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.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
Earth's crust, Found in Minerals, Ores of metals  
History
  
  
Who Discovered
-  
-  
Discovery
In 1781  
Before 5000 BC  
Abundance
  
  
Abundance In Universe
0.00 %  
28
0.00 %  
27
Abundance In Sun
0.00 %  
23
0.00 %  
26
Abundance In Meteorites
0.00 %  
39
0.00 %  
38
Abundance In Earth's Crust
0.00 %  
39
0.00 %  
99+
Abundance In Oceans
0.00 %  
18
0.00 %  
19
Abundance In Humans
0.00 %  
24
0.00 %  
24
Uses
Uses & Benefits
  • 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.
  
  • Silver is mainly used for Jewelry and show piece.
  • It is used for manufacturing high quality mirrors due to its reflectivity property.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry  
Chemical Industry, Clothing Industry, Electrical Industry  
Medical Uses
-  
Dentistry, Pharmaceutical Industry  
Other Uses
Alloys  
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues  
Biological Properties
  
  
Toxicity
Non Toxic  
Non Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.00 Blood/mg dm-3  
31
0.00 Blood/mg dm-3  
29
In Bone
0.00 p.p.m.  
40
0.44 p.p.m.  
24
Physical
Melting Point
3,410.00 °C  
1
961.93 °C  
99+
Boiling Point
5,660.00 °C  
1
2,212.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Grayish White  
Silvery White  
Luster
Lustrous  
Metallic  
Hardness
  
  
Mohs Hardness
7.50  
2
2.50  
15
Brinell Hardness
2,000.00 MPa  
4
251.00 MPa  
99+
Vickers Hardness
3,430.00 MPa  
3
229.00 MPa  
99+
Speed of Sound
4,620.00 m/s  
20
2,680.00 m/s  
99+
Optical Properties
  
  
Refractive Index
2.10  
11
0.16  
99+
Reflectivity
62.00 %  
21
97.00 %  
1
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
W  
Ag  
Isotopes
  
  
Known Isotopes
33  
6
36  
3
Electronegativity
  
  
Pauling Electronegativity
2.36  
3
1.93  
10
Sanderson Electronegativity
0.98  
99+
1.83  
14
Allred Rochow Electronegativity
1.40  
20
1.42  
19
Mulliken-Jaffe Electronegativity
2.36  
3
1.47  
28
Allen Electronegativity
1.47  
33
1.87  
10
Electropositivity
  
  
Pauling Electropositivity
1.64  
99+
2.07  
99+
Ionization Energies
  
  
1st Energy Level
770.00 kJ/mol  
16
731.00 kJ/mol  
27
2nd Energy Level
1,700.00 kJ/mol  
30
2,070.00 kJ/mol  
11
3rd Energy Level
2,045.40 kJ/mol  
99+
3,361.00 kJ/mol  
19
4th Energy Level
7,700.00 kJ/mol  
8
7,310.00 kJ/mol  
10
5th Energy Level
7,700.00 kJ/mol  
17
7,310.00 kJ/mol  
24
6th Energy Level
7,700.00 kJ/mol  
35
7,310.00 kJ/mol  
39
7th Energy level
7,700.00 kJ/mol  
29
7,310.00 kJ/mol  
33
8th Energy Level
7,700.00 kJ/mol  
29
7,310.00 kJ/mol  
31
9th Energy Level
7,700.00 kJ/mol  
25
7,310.00 kJ/mol  
27
10th Energy Level
7,700.00 kJ/mol  
29
7,310.00 kJ/mol  
32
11th Energy Level
7,700.00 kJ/mol  
28
7,310.00 kJ/mol  
31
12th Energy Level
7,700.00 kJ/mol  
99+
7,310.00 kJ/mol  
99+
13th Energy Level
7,700.00 kJ/mol  
21
7,310.00 kJ/mol  
25
14th Energy Level
770.00 kJ/mol  
99+
731.00 kJ/mol  
99+
15th Energy Level
77,000.00 kJ/mol  
18
73,100.00 kJ/mol  
22
16th Energy Level
77,000.00 kJ/mol  
13
73,100.00 kJ/mol  
17
17th Energy Level
770.00 kJ/mol  
34
731.00 kJ/mol  
38
18th Energy Level
7,700.00 kJ/mol  
24
7,310.00 kJ/mol  
28
19th Energy Level
770.00 kJ/mol  
31
731.00 kJ/mol  
35
20th Energy Level
770.00 kJ/mol  
25
731.00 kJ/mol  
29
21st Energy Level
770.00 kJ/mol  
99+
731.00 kJ/mol  
99+
22nd Energy Level
770.00 kJ/mol  
19
731.00 kJ/mol  
23
23rd Energy Level
770.00 kJ/mol  
99+
731.00 kJ/mol  
99+
24th Energy Level
770.00 kJ/mol  
15
731.00 kJ/mol  
22
25th Energy Level
770.00 kJ/mol  
14
731.00 kJ/mol  
22
26th Energy Level
770.00 kJ/mol  
14
731.00 kJ/mol  
22
27th Energy Level
770.00 kJ/mol  
13
731.00 kJ/mol  
21
28th Energy Level
770.00 kJ/mol  
19
731.00 kJ/mol  
27
29th Energy Level
770.00 kJ/mol  
19
731.00 kJ/mol  
28
30th Energy Level
770.00 kJ/mol  
14
731.00 kJ/mol  
22
Electrochemical Equivalent
1.14 g/amp-hr  
99+
4.02 g/amp-hr  
7
Electron Work Function
4.55 eV  
18
4.26 eV  
27
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility  
Chemical Stability, Ionization, Solubility  
Atomic
Atomic Number
74  
99+
47  
99+
Electron Configuration
[Xe] 4f14 5d4 6s2  
[Kr] 4d10 5s1  
Crystal Structure
Body Centered Cubic (BCC)  
Face Centered Cubic (FCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
FCC-Crystal-Structure-of-Silver.jpg#100  
Atom
  
  
Number of Protons
74  
99+
47  
99+
Number of Neutrons
110  
28
61  
99+
Number of Electrons
74  
99+
47  
99+
Radius of an Atom
  
  
Atomic Radius
139.00 pm  
99+
144.00 pm  
38
Covalent Radius
162.00 pm  
31
145.00 pm  
99+
Van der Waals Radius
200.00 pm  
35
172.00 pm  
99+
Atomic Weight
183.84 amu  
37
107.87 amu  
99+
Atomic Volume
9.53 cm3/mol  
99+
10.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Tantalum
  
Palladium
  
Next Element
Rhenium
  
Cadmium
  
Valence Electron Potential
140.00 (-eV)  
5
11.40 (-eV)  
99+
Lattice Constant
316.52 pm  
99+
408.53 pm  
23
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.29  
99+
1.59  
26
Mechanical
Density
  
  
Density At Room Temperature
19.25 g/cm3  
16
10.49 g/cm3  
37
Density When Liquid (at m.p.)
17.60 g/cm3  
15
9.32 g/cm3  
99+
Tensile Strength
370.00 MPa  
11
170.00 MPa  
21
Viscosity
0.00  
1
0.00  
23
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
14
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.00 (Pa)  
38
Elasticity properties
  
  
Shear Modulus
161.00 GPa  
5
30.00 GPa  
27
Bulk Modulus
310.00 GPa  
4
100.00 GPa  
16
Young's Modulus
411.00 GPa  
4
83.00 GPa  
25
Poisson Ratio
0.28  
17
0.37  
7
Other Mechanical Properties
Ductile, Malleable  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
19.22  
18
10.50  
39
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
17
Susceptibility
0.00  
23
0.00  
32
Electrical Properties
  
  
Electrical Property
Superconductor  
Conductor  
Resistivity
52.80 nΩ·m  
99+
15.87 nΩ·m  
99+
Electrical Conductivity
0.19 106/cm Ω  
10
0.63 106/cm Ω  
1
Electron Affinity
78.60 kJ/mol  
15
125.60 kJ/mol  
5
Thermal
Specific Heat
0.13 J/(kg K)  
40
0.24 J/(kg K)  
25
Molar Heat Capacity
24.27 J/mol·K  
99+
25.35 J/mol·K  
99+
Thermal Conductivity
173.00 W/m·K  
7
429.00 W/m·K  
1
Critical Temperature
3,695.00 K  
1
1,235.00 K  
99+
Thermal Expansion
4.50 µm/(m·K)  
99+
18.90 µm/(m·K)  
25
Enthalpy
  
  
Enthalpy of Vaporization
799.10 kJ/mol  
1
255.10 kJ/mol  
99+
Enthalpy of Fusion
35.23 kJ/mol  
1
11.30 kJ/mol  
37
Enthalpy of Atomization
837.00 kJ/mol  
1
284.50 kJ/mol  
99+
Standard Molar Entropy
32.60 J/mol.K  
99+
42.60 J/mol.K  
99+
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