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Tungsten Mercury Comparison

Tungsten
Mercury
Mercury Tungsten comparison


Periodic Table
Symbol
W   
Hg   
Group Number
6   
12
12   
6
Period Number
6   
6   
Block
d block   
d block   
Element Family
Transition Metal   
Transition Metal   
CAS Number
7440337   
99+
7439976   
99+
Space Group Name
Im_ 3m   
R_ 3m   
Space Group Number
229.00   
1
166.00   
6
Facts
Interesting Facts
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
  • 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.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals   
Mining, Ores of Minerals   
History
  
  
Who Discovered
Not Available   
Ancient Chinese and Indians   
Discovery
In 1781   
Before 2000 BCE   
Abundance
  
  
Abundance In Universe
5 * 10-8 %   
27
Not Available   
Abundance In Sun
~0.0000004 %   
23
~-9999 %   
Abundance In Meteorites
0.00 %   
39
Not Available   
Abundance In Earth's Crust
0.00 %   
39
0.05 %   
9
Abundance In Oceans
0.00 %   
18
Not Available   
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.
  
  • 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.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry   
Electrical Industry, Electronic Industry   
Medical Uses
NA   
Dentistry   
Other Uses
Alloys   
Alloys, Mirror Manufacturing, Pharmaceutical Industry   
Biological Properties
  
  
Toxicity
Non Toxic   
Highly Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.00 Blood/mg dm-3   
31
0.01 Blood/mg dm-3   
23
In Bone
0.00 p.p.m.   
35
0.45 p.p.m.   
19
Physical Properties
Melting Point
3,410.00 °C   
1
Not Available   
Boiling Point
5,660.00 °C   
1
356.58 °C   
99+
Appearance
  
  
Physical State
Solid   
Liquid   
Color
Grayish White   
Silver   
Luster
Lustrous   
NA   
Hardness
  
  
Mohs Hardness
7.50   
2
Not Available   
Brinell Hardness
2,000.00 MPa   
4
Not Available   
Vickers Hardness
3,430.00 MPa   
1
Not Available   
Speed of Sound
4,620.00 m/s   
16
1,451.40 m/s   
99+
Optical Properties
  
  
Refractive Index
Not Available   
1.00   
3
Reflectivity
62.00 %   
13
73.00 %   
8
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
W   
Hg   
Isotopes
  
  
Known Isotopes
33   
6
34   
5
Electronegativity
  
  
Pauling Electronegativity
2.36   
2
2.00   
7
Sanderson Electronegativity
0.98   
23
2.20   
7
Allred Rochow Electronegativity
1.40   
19
1.44   
17
Mulliken-Jaffe Electronegativity
Not Available   
1.81   
9
Allen Electronegativity
1.47   
29
1.44   
30
Electropositivity
  
  
Pauling Electropositivity
1.64   
99+
2.00   
99+
Ionization Energies
  
  
1st Energy Level
770.00 kJ/mol   
16
1,007.10 kJ/mol   
4
2nd Energy Level
1,700.00 kJ/mol   
29
1,810.00 kJ/mol   
20
3rd Energy Level
Not Available   
3,300.00 kJ/mol   
20
Electrochemical Equivalent
1.14 g/amp-hr   
99+
3.74 g/amp-hr   
10
Electron Work Function
4.55 eV   
13
4.49 eV   
15
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Flammability, Ionization, Solubility   
Atomic Properties
Atomic Number
74   
99+
80   
36
Electron Configuration
[Xe] 4f14 5d4 6s2   
[Xe] 4f14 5d10 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Rhombohedral (RHO)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
RHO-Crystal-Structure-of-Mercury.jpg#100   
Atom
  
  
Number of Protons
74   
99+
80   
36
Number of Neutrons
110   
27
121   
22
Number of Electrons
74   
99+
80   
36
Radius of an Atom
  
  
Atomic Radius
139.00 pm   
39
151.00 pm   
32
Covalent Radius
162.00 pm   
29
132.00 pm   
99+
Van der Waals Radius
200.00 pm   
28
155.00 pm   
99+
Atomic Weight
183.84 amu   
37
200.59 amu   
32
Atomic Volume
9.53 cm3/mol   
99+
14.82 cm3/mol   
35
Adjacent Atomic Numbers
  
  
Previous Element
Tantalum
  
Gold
  
Next Element
Rhenium
  
Thallium
  
Valence Electron Potential
140.00 (-eV)   
5
28.20 (-eV)   
99+
Lattice Constant
316.52 pm   
99+
300.50 pm   
99+
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
19.25 g/cm3   
16
13.53 g/cm3   
24
Density When Liquid (at m.p.)
17.60 g/cm3   
5
Not Available   
Tensile Strength
370.00 MPa   
10
Not Available   
Viscosity
Not Available   
0.00   
1
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.00 (Pa)   
32
Not Available   
Elasticity properties
  
  
Shear Modulus
161.00 GPa   
5
Not Available   
Bulk Modulus
310.00 GPa   
4
Not Available   
Young's Modulus
411.00 GPa   
4
Not Available   
Poisson Ratio
0.28   
17
Not Available   
Other Mechanical Properties
Ductile, Malleable   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
19.22   
9
13.53   
16
Magnetic Ordering
Paramagnetic   
Diamagnetic   
Electrical Properties
  
  
Electrical Property
Superconductor   
Conductor   
Resistivity
52.80 nΩ·m   
99+
961.00 nΩ·m   
1
Electrical Conductivity
0.19 106/cm Ω   
10
0.01 106/cm Ω   
99+
Electron Affinity
78.60 kJ/mol   
13
0.00 kJ/mol   
40
Thermal Properties
Specific Heat
0.13 J/(kg K)   
39
0.14 J/(kg K)   
38
Molar Heat Capacity
24.27 J/mol·K   
99+
27.98 J/mol·K   
13
Thermal Conductivity
173.00 W/m·K   
7
8.30 W/m·K   
99+
Critical Temperature
Not Available   
1,750.00 K   
6
Thermal Expansion
4.50 µm/(m·K)   
99+
60.40 µm/(m·K)   
5
Enthalpy
  
  
Enthalpy of Vaporization
799.10 kJ/mol   
1
56.90 kJ/mol   
99+
Enthalpy of Fusion
35.23 kJ/mol   
1
2.29 kJ/mol   
99+
Enthalpy of Atomization
837.00 kJ/mol   
1
61.50 kJ/mol   
99+
Standard Molar Entropy
32.60 J/mol.K   
99+
75.80 J/mol.K   
6
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