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Mercury vs Nickel

Mercury
Nickel
Nickel vs Mercury


Periodic Table
Symbol
Hg  
Ni  
Group Number
12  
6
10  
8
Period Number
6  
4  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7439976  
99+
7440020  
99+
Space Group Name
R_ 3m  
Fm_ 3m  
Space Group Number
166.00  
9
225.00  
3
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.
  
  • Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
  • After iron, Zinc metal the second most abundant element in the earth crust.
  
Sources
Mining, Ores of Minerals  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Ancient Chinese and Indians  
Axel Fredrik Cronstedt  
Discovery
Before 2000 BCE  
In 1751  
Abundance
  
  
Abundance In Universe
0.09 %  
2
0.01 %  
5
Abundance In Sun
0.00 %  
30
0.01 %  
3
Abundance In Meteorites
0.00 %  
99+
1.30 %  
3
Abundance In Earth's Crust
0.05 %  
9
0.01 %  
15
Abundance In Oceans
-  
0.00 %  
13
Abundance In Humans
0.00 %  
24
0.00 %  
17
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.
  
  • It has corrosion resistance and hence it is used to plate other metals.
  • Its alloys are very useful; Nichrome alloy is used in the hot coil of toasters and electric oven.
  
Industrial Uses
Electrical Industry, Electronic Industry  
Automobile Industry, Electrical Industry, Electronic Industry  
Medical Uses
Dentistry  
-  
Other Uses
Alloys, Mirror Manufacturing, Pharmaceutical Industry  
Alloys  
Biological Properties
  
  
Toxicity
Highly Toxic  
Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.01 Blood/mg dm-3  
23
0.05 Blood/mg dm-3  
17
In Bone
0.45 p.p.m.  
23
0.70 p.p.m.  
20
Physical
Melting Point
-38.83 °C  
99+
1,453.00 °C  
31
Boiling Point
356.58 °C  
99+
2,732.00 °C  
40
Appearance
  
  
Physical State
Liquid  
Solid  
Color
Silver  
Silver  
Luster
-  
Metallic  
Hardness
  
  
Mohs Hardness
1.50  
19
4.00  
11
Brinell Hardness
5.00 MPa  
99+
667.00 MPa  
20
Vickers Hardness
0.00 MPa  
99+
638.00 MPa  
24
Speed of Sound
1,451.40 m/s  
99+
4,900.00 m/s  
16
Optical Properties
  
  
Refractive Index
1.00  
99+
1.68  
28
Reflectivity
73.00 %  
10
72.00 %  
11
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Hg  
Ni  
Isotopes
  
  
Known Isotopes
34  
5
25  
14
Electronegativity
  
  
Pauling Electronegativity
2.00  
8
1.91  
11
Sanderson Electronegativity
2.20  
8
1.94  
12
Allred Rochow Electronegativity
1.44  
18
1.75  
4
Mulliken-Jaffe Electronegativity
1.81  
17
1.91  
12
Allen Electronegativity
1.44  
34
1.88  
9
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.09  
99+
Ionization Energies
  
  
1st Energy Level
1,007.10 kJ/mol  
4
737.10 kJ/mol  
25
2nd Energy Level
1,810.00 kJ/mol  
21
1,753.00 kJ/mol  
26
3rd Energy Level
3,300.00 kJ/mol  
20
3,395.00 kJ/mol  
17
4th Energy Level
1,007.10 kJ/mol  
99+
5,300.00 kJ/mol  
24
5th Energy Level
1,007.00 kJ/mol  
99+
7,339.00 kJ/mol  
23
6th Energy Level
1,007.00 kJ/mol  
99+
10,400.00 kJ/mol  
15
7th Energy level
1,007.00 kJ/mol  
99+
12,800.00 kJ/mol  
10
8th Energy Level
1,007.00 kJ/mol  
99+
15,600.00 kJ/mol  
10
9th Energy Level
1,007.00 kJ/mol  
99+
18,600.00 kJ/mol  
10
10th Energy Level
1,007.00 kJ/mol  
99+
21,670.00 kJ/mol  
14
11th Energy Level
1,007.00 kJ/mol  
99+
30,970.00 kJ/mol  
7
12th Energy Level
1,007.00 kJ/mol  
99+
34,000.00 kJ/mol  
29
13th Energy Level
1,007.00 kJ/mol  
99+
37,100.00 kJ/mol  
7
14th Energy Level
1,007.00 kJ/mol  
99+
41,500.00 kJ/mol  
8
15th Energy Level
100,700.00 kJ/mol  
1
44,800.00 kJ/mol  
99+
16th Energy Level
1,007.00 kJ/mol  
99+
48,100.00 kJ/mol  
99+
17th Energy Level
1,007.00 kJ/mol  
24
55,101.00 kJ/mol  
11
18th Energy Level
1,007.00 kJ/mol  
99+
58,570.00 kJ/mol  
12
19th Energy Level
1,007.10 kJ/mol  
20
148,700.00 kJ/mol  
1
20th Energy Level
1,007.00 kJ/mol  
11
159,000.00 kJ/mol  
3
21st Energy Level
1,007.00 kJ/mol  
33
169,400.00 kJ/mol  
3
22nd Energy Level
1,007.00 kJ/mol  
8
182,700.00 kJ/mol  
2
23rd Energy Level
1,007.00 kJ/mol  
36
194,000.00 kJ/mol  
2
24th Energy Level
1,007.10 kJ/mol  
3
737.10 kJ/mol  
21
25th Energy Level
1,007.10 kJ/mol  
3
737.10 kJ/mol  
21
26th Energy Level
1,007.10 kJ/mol  
3
737.10 kJ/mol  
21
27th Energy Level
1,007.10 kJ/mol  
2
737.10 kJ/mol  
20
28th Energy Level
1,007.10 kJ/mol  
5
737.10 kJ/mol  
26
29th Energy Level
1,007.10 kJ/mol  
6
737.10 kJ/mol  
27
30th Energy Level
1,007.10 kJ/mol  
3
737.00 kJ/mol  
21
Electrochemical Equivalent
3.74 g/amp-hr  
10
1.10 g/amp-hr  
99+
Electron Work Function
4.49 eV  
20
5.15 eV  
6
Other Chemical Properties
Flammability, Ionization, Solubility  
Anti Corrosion, Ionization, Radioactive Isotopes  
Atomic
Atomic Number
80  
36
28  
99+
Electron Configuration
[Xe] 4f14 5d10 6s2  
[Ar] 3d8 4s2 Or [Ar] 3d9 4s1  
Crystal Structure
Rhombohedral (RHO)  
Face Centered Cubic (FCC)  
Crystal Lattice
RHO-Crystal-Structure-of-Mercury.jpg#100  
FCC-Crystal-Structure-of-Nickel.jpg#100  
Atom
  
  
Number of Protons
80  
36
28  
99+
Number of Neutrons
121  
23
31  
99+
Number of Electrons
80  
36
28  
99+
Radius of an Atom
  
  
Atomic Radius
151.00 pm  
34
124.00 pm  
99+
Covalent Radius
132.00 pm  
99+
124.00 pm  
99+
Van der Waals Radius
155.00 pm  
99+
163.00 pm  
99+
Atomic Weight
200.59 amu  
32
58.69 amu  
99+
Atomic Volume
14.82 cm3/mol  
99+
6.59 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Gold
  
Cobalt
  
Next Element
Thallium
  
Copper
  
Valence Electron Potential
28.20 (-eV)  
99+
42.00 (-eV)  
99+
Lattice Constant
300.50 pm  
99+
352.40 pm  
99+
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
0.42  
99+
1.86  
4
Mechanical
Density
  
  
Density At Room Temperature
13.53 g/cm3  
25
8.91 g/cm3  
99+
Density When Liquid (at m.p.)
13.55 g/cm3  
27
7.81 g/cm3  
99+
Tensile Strength
15.00 MPa  
99+
345.00 MPa  
13
Viscosity
0.00  
4
0.00  
8
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
33
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
19.50 (Pa)  
6
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
27
76.00 GPa  
12
Bulk Modulus
25.00 GPa  
99+
180.00 GPa  
9
Young's Modulus
45.00 GPa  
99+
200.00 GPa  
12
Poisson Ratio
0.44  
3
0.31  
13
Other Mechanical Properties
-  
Ductile  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
13.53  
27
8.90  
99+
Magnetic Ordering
Diamagnetic  
Ferromagnetic  
Permeability
0.00 H/m  
10
0.00 H/m  
2
Susceptibility
0.00  
20
600.00  
2
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
961.00 nΩ·m  
1
69.30 nΩ·m  
39
Electrical Conductivity
0.01 106/cm Ω  
99+
0.14 106/cm Ω  
14
Electron Affinity
0.00 kJ/mol  
99+
112.00 kJ/mol  
7
Thermal
Specific Heat
0.14 J/(kg K)  
39
0.44 J/(kg K)  
13
Molar Heat Capacity
27.98 J/mol·K  
16
26.07 J/mol·K  
39
Thermal Conductivity
8.30 W/m·K  
99+
90.90 W/m·K  
18
Critical Temperature
1,750.00 K  
33
1,728.00 K  
35
Thermal Expansion
60.40 µm/(m·K)  
5
13.40 µm/(m·K)  
34
Enthalpy
  
  
Enthalpy of Vaporization
56.90 kJ/mol  
99+
371.80 kJ/mol  
29
Enthalpy of Fusion
2.29 kJ/mol  
99+
17.57 kJ/mol  
14
Enthalpy of Atomization
61.50 kJ/mol  
99+
422.60 kJ/mol  
22
Standard Molar Entropy
75.80 J/mol.K  
6
29.90 J/mol.K  
99+
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