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Mercury vs Tungsten

Mercury
Tungsten
Tungsten vs Mercury


Periodic Table
Symbol
Hg  
W  
Group Number
12  
6
6  
12
Period Number
6  
6  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7439976  
99+
7440337  
99+
Space Group Name
R_ 3m  
Im_ 3m  
Space Group Number
166.00  
9
229.00  
2
Facts
Interesting Facts
  • At room temperature mercury is found in a liquid state.
  • A coin of pound or rupees floats in mercury.
  • Because of its low melting point and boiling point it is used in thermometers.
  
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
Sources
Mining, Ores of Minerals  
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Ancient Chinese and Indians  
-  
Discovery
Before 2000 BCE  
In 1781  
Abundance
  
  
Abundance In Universe
0.09 %  
2
0.00 %  
28
Abundance In Sun
0.00 %  
30
0.00 %  
23
Abundance In Meteorites
0.00 %  
99+
0.00 %  
39
Abundance In Earth's Crust
0.05 %  
9
0.00 %  
39
Abundance In Oceans
-  
0.00 %  
18
Abundance In Humans
0.00 %  
24
0.00 %  
24
Uses
Uses & Benefits
  • It is a liquid metal at room temperature, but it is a toxic heavy metal and hence many uses of mercury are under review or phased out.
  • It is manly used as a catalysts in chemical industry.
  
  • 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
Electrical Industry, Electronic Industry  
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry  
Medical Uses
Dentistry  
-  
Other Uses
Alloys, Mirror Manufacturing, Pharmaceutical Industry  
Alloys  
Biological Properties
  
  
Toxicity
Highly Toxic  
Non Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.01 Blood/mg dm-3  
23
0.00 Blood/mg dm-3  
31
In Bone
0.45 p.p.m.  
23
0.00 p.p.m.  
40
Physical
Melting Point
-38.83 °C  
99+
3,410.00 °C  
1
Boiling Point
356.58 °C  
99+
5,660.00 °C  
1
Appearance
  
  
Physical State
Liquid  
Solid  
Color
Silver  
Grayish White  
Luster
-  
Lustrous  
Hardness
  
  
Mohs Hardness
1.50  
19
7.50  
2
Brinell Hardness
5.00 MPa  
99+
2,000.00 MPa  
4
Vickers Hardness
0.00 MPa  
99+
3,430.00 MPa  
3
Speed of Sound
1,451.40 m/s  
99+
4,620.00 m/s  
20
Optical Properties
  
  
Refractive Index
1.00  
99+
2.10  
11
Reflectivity
73.00 %  
10
62.00 %  
21
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Hg  
W  
Isotopes
  
  
Known Isotopes
34  
5
33  
6
Electronegativity
  
  
Pauling Electronegativity
2.00  
8
2.36  
3
Sanderson Electronegativity
2.20  
8
0.98  
99+
Allred Rochow Electronegativity
1.44  
18
1.40  
20
Mulliken-Jaffe Electronegativity
1.81  
17
2.36  
3
Allen Electronegativity
1.44  
34
1.47  
33
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
1.64  
99+
Ionization Energies
  
  
1st Energy Level
1,007.10 kJ/mol  
4
770.00 kJ/mol  
16
2nd Energy Level
1,810.00 kJ/mol  
21
1,700.00 kJ/mol  
30
3rd Energy Level
3,300.00 kJ/mol  
20
2,045.40 kJ/mol  
99+
4th Energy Level
1,007.10 kJ/mol  
99+
7,700.00 kJ/mol  
8
5th Energy Level
1,007.00 kJ/mol  
99+
7,700.00 kJ/mol  
17
6th Energy Level
1,007.00 kJ/mol  
99+
7,700.00 kJ/mol  
35
7th Energy level
1,007.00 kJ/mol  
99+
7,700.00 kJ/mol  
29
8th Energy Level
1,007.00 kJ/mol  
99+
7,700.00 kJ/mol  
29
9th Energy Level
1,007.00 kJ/mol  
99+
7,700.00 kJ/mol  
25
10th Energy Level
1,007.00 kJ/mol  
99+
7,700.00 kJ/mol  
29
11th Energy Level
1,007.00 kJ/mol  
99+
7,700.00 kJ/mol  
28
12th Energy Level
1,007.00 kJ/mol  
99+
7,700.00 kJ/mol  
99+
13th Energy Level
1,007.00 kJ/mol  
99+
7,700.00 kJ/mol  
21
14th Energy Level
1,007.00 kJ/mol  
99+
770.00 kJ/mol  
99+
15th Energy Level
100,700.00 kJ/mol  
1
77,000.00 kJ/mol  
18
16th Energy Level
1,007.00 kJ/mol  
99+
77,000.00 kJ/mol  
13
17th Energy Level
1,007.00 kJ/mol  
24
770.00 kJ/mol  
34
18th Energy Level
1,007.00 kJ/mol  
99+
7,700.00 kJ/mol  
24
19th Energy Level
1,007.10 kJ/mol  
20
770.00 kJ/mol  
31
20th Energy Level
1,007.00 kJ/mol  
11
770.00 kJ/mol  
25
21st Energy Level
1,007.00 kJ/mol  
33
770.00 kJ/mol  
99+
22nd Energy Level
1,007.00 kJ/mol  
8
770.00 kJ/mol  
19
23rd Energy Level
1,007.00 kJ/mol  
36
770.00 kJ/mol  
99+
24th Energy Level
1,007.10 kJ/mol  
3
770.00 kJ/mol  
15
25th Energy Level
1,007.10 kJ/mol  
3
770.00 kJ/mol  
14
26th Energy Level
1,007.10 kJ/mol  
3
770.00 kJ/mol  
14
27th Energy Level
1,007.10 kJ/mol  
2
770.00 kJ/mol  
13
28th Energy Level
1,007.10 kJ/mol  
5
770.00 kJ/mol  
19
29th Energy Level
1,007.10 kJ/mol  
6
770.00 kJ/mol  
19
30th Energy Level
1,007.10 kJ/mol  
3
770.00 kJ/mol  
14
Electrochemical Equivalent
3.74 g/amp-hr  
10
1.14 g/amp-hr  
99+
Electron Work Function
4.49 eV  
20
4.55 eV  
18
Other Chemical Properties
Flammability, Ionization, Solubility  
Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
80  
36
74  
99+
Electron Configuration
[Xe] 4f14 5d10 6s2  
[Xe] 4f14 5d4 6s2  
Crystal Structure
Rhombohedral (RHO)  
Body Centered Cubic (BCC)  
Crystal Lattice
RHO-Crystal-Structure-of-Mercury.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
80  
36
74  
99+
Number of Neutrons
121  
23
110  
28
Number of Electrons
80  
36
74  
99+
Radius of an Atom
  
  
Atomic Radius
151.00 pm  
34
139.00 pm  
99+
Covalent Radius
132.00 pm  
99+
162.00 pm  
31
Van der Waals Radius
155.00 pm  
99+
200.00 pm  
35
Atomic Weight
200.59 amu  
32
183.84 amu  
37
Atomic Volume
14.82 cm3/mol  
99+
9.53 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Gold
  
Tantalum
  
Next Element
Thallium
  
Rhenium
  
Valence Electron Potential
28.20 (-eV)  
99+
140.00 (-eV)  
5
Lattice Constant
300.50 pm  
99+
316.52 pm  
99+
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
0.42  
99+
1.29  
99+
Mechanical
Density
  
  
Density At Room Temperature
13.53 g/cm3  
25
19.25 g/cm3  
16
Density When Liquid (at m.p.)
13.55 g/cm3  
27
17.60 g/cm3  
15
Tensile Strength
15.00 MPa  
99+
370.00 MPa  
11
Viscosity
0.00  
4
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)  
99+
0.00 (Pa)  
99+
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
27
161.00 GPa  
5
Bulk Modulus
25.00 GPa  
99+
310.00 GPa  
4
Young's Modulus
45.00 GPa  
99+
411.00 GPa  
4
Poisson Ratio
0.44  
3
0.28  
17
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
13.53  
27
19.22  
18
Magnetic Ordering
Diamagnetic  
Paramagnetic  
Permeability
0.00 H/m  
10
0.00 H/m  
17
Susceptibility
0.00  
20
0.00  
23
Electrical Properties
  
  
Electrical Property
Conductor  
Superconductor  
Resistivity
961.00 nΩ·m  
1
52.80 nΩ·m  
99+
Electrical Conductivity
0.01 106/cm Ω  
99+
0.19 106/cm Ω  
10
Electron Affinity
0.00 kJ/mol  
99+
78.60 kJ/mol  
15
Thermal
Specific Heat
0.14 J/(kg K)  
39
0.13 J/(kg K)  
40
Molar Heat Capacity
27.98 J/mol·K  
16
24.27 J/mol·K  
99+
Thermal Conductivity
8.30 W/m·K  
99+
173.00 W/m·K  
7
Critical Temperature
1,750.00 K  
33
3,695.00 K  
1
Thermal Expansion
60.40 µm/(m·K)  
5
4.50 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
56.90 kJ/mol  
99+
799.10 kJ/mol  
1
Enthalpy of Fusion
2.29 kJ/mol  
99+
35.23 kJ/mol  
1
Enthalpy of Atomization
61.50 kJ/mol  
99+
837.00 kJ/mol  
1
Standard Molar Entropy
75.80 J/mol.K  
6
32.60 J/mol.K  
99+
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