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Mercury vs Iron

Mercury
Iron
Iron vs Mercury


Periodic Table
Symbol
Hg  
Fe  
Group Number
12  
6
8  
10
Period Number
6  
4  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7439976  
99+
7439896  
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.
  
  • Iron is not always magnetic in nature, its allotrope are ferromagnetic and the B allotrope is nonmagnetic.
  • The blood consists Iron in hemoglobin molecules to transfer Oxygen in the body.
  
Sources
Mining, Ores of Minerals  
Earth's crust, Found in Minerals  
History
  
  
Who Discovered
Ancient Chinese and Indians  
-  
Discovery
Before 2000 BCE  
Before 5000 BC  
Abundance
  
  
Abundance In Universe
0.09 %  
2
0.11 %  
1
Abundance In Sun
0.00 %  
30
0.10 %  
1
Abundance In Meteorites
0.00 %  
99+
22.00 %  
1
Abundance In Earth's Crust
0.05 %  
9
6.30 %  
2
Abundance In Oceans
-  
0.00 %  
12
Abundance In Humans
0.00 %  
24
0.01 %  
6
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.
  
  • Iron metal alloy steel is used in the application of civil engineering and manufacturing.
  • Alloys of iron with nickel, vanadium, chromium, tungsten and manganese have very useful properties.
  
Industrial Uses
Electrical Industry, Electronic Industry  
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Medical Uses
Dentistry  
Pharmaceutical Industry, Surgical Instruments Manufacturing  
Other Uses
Alloys, Mirror Manufacturing, Pharmaceutical Industry  
Alloys, Sculptures, Statues  
Biological Properties
  
  
Toxicity
Highly Toxic  
Non Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.01 Blood/mg dm-3  
23
447.00 Blood/mg dm-3  
3
In Bone
0.45 p.p.m.  
23
380.00 p.p.m.  
5
Physical
Melting Point
-38.83 °C  
99+
1,535.00 °C  
25
Boiling Point
356.58 °C  
99+
2,750.00 °C  
39
Appearance
  
  
Physical State
Liquid  
Solid  
Color
Silver  
Gray  
Luster
-  
Metallic  
Hardness
  
  
Mohs Hardness
1.50  
19
4.00  
11
Brinell Hardness
5.00 MPa  
99+
200.00 MPa  
99+
Vickers Hardness
0.00 MPa  
99+
608.00 MPa  
27
Speed of Sound
1,451.40 m/s  
99+
5,120.00 m/s  
12
Optical Properties
  
  
Refractive Index
1.00  
99+
2.60  
4
Reflectivity
73.00 %  
10
65.00 %  
18
Allotropes
No  
Yes  
α Allotropes
-  
Ferrite (alpha Iron)  
β Allotropes
-  
beta Iron  
γ Allotropes
-  
gamma Iron  
Chemical
Chemical Formula
Hg  
Fe  
Isotopes
  
  
Known Isotopes
34  
5
26  
13
Electronegativity
  
  
Pauling Electronegativity
2.00  
8
1.83  
15
Sanderson Electronegativity
2.20  
8
2.20  
8
Allred Rochow Electronegativity
1.44  
18
1.64  
9
Mulliken-Jaffe Electronegativity
1.81  
17
1.83  
16
Allen Electronegativity
1.44  
34
1.80  
15
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.17  
99+
Ionization Energies
  
  
1st Energy Level
1,007.10 kJ/mol  
4
762.50 kJ/mol  
17
2nd Energy Level
1,810.00 kJ/mol  
21
1,561.90 kJ/mol  
37
3rd Energy Level
3,300.00 kJ/mol  
20
2,957.00 kJ/mol  
29
4th Energy Level
1,007.10 kJ/mol  
99+
5,290.00 kJ/mol  
25
5th Energy Level
1,007.00 kJ/mol  
99+
7,240.00 kJ/mol  
25
6th Energy Level
1,007.00 kJ/mol  
99+
9,560.00 kJ/mol  
20
7th Energy level
1,007.00 kJ/mol  
99+
12,060.00 kJ/mol  
15
8th Energy Level
1,007.00 kJ/mol  
99+
14,580.00 kJ/mol  
14
9th Energy Level
1,007.00 kJ/mol  
99+
22,540.00 kJ/mol  
5
10th Energy Level
1,007.00 kJ/mol  
99+
25,290.00 kJ/mol  
8
11th Energy Level
1,007.00 kJ/mol  
99+
28,000.00 kJ/mol  
9
12th Energy Level
1,007.00 kJ/mol  
99+
31,920.00 kJ/mol  
31
13th Energy Level
1,007.00 kJ/mol  
99+
34,830.00 kJ/mol  
9
14th Energy Level
1,007.00 kJ/mol  
99+
37,840.00 kJ/mol  
11
15th Energy Level
100,700.00 kJ/mol  
1
44,100.00 kJ/mol  
99+
16th Energy Level
1,007.00 kJ/mol  
99+
47,206.00 kJ/mol  
99+
17th Energy Level
1,007.00 kJ/mol  
24
122,200.00 kJ/mol  
1
18th Energy Level
1,007.00 kJ/mol  
99+
131,000.00 kJ/mol  
2
19th Energy Level
1,007.10 kJ/mol  
20
140,500.00 kJ/mol  
3
20th Energy Level
1,007.00 kJ/mol  
11
152,600.00 kJ/mol  
5
21st Energy Level
1,007.00 kJ/mol  
33
163,000.00 kJ/mol  
5
22nd Energy Level
1,007.00 kJ/mol  
8
173,600.00 kJ/mol  
4
23rd Energy Level
1,007.00 kJ/mol  
36
188,100.00 kJ/mol  
4
24th Energy Level
1,007.10 kJ/mol  
3
195,200.00 kJ/mol  
1
25th Energy Level
1,007.10 kJ/mol  
3
762.00 kJ/mol  
15
26th Energy Level
1,007.10 kJ/mol  
3
762.50 kJ/mol  
15
27th Energy Level
1,007.10 kJ/mol  
2
762.50 kJ/mol  
14
28th Energy Level
1,007.10 kJ/mol  
5
762.50 kJ/mol  
20
29th Energy Level
1,007.10 kJ/mol  
6
762.50 kJ/mol  
20
30th Energy Level
1,007.10 kJ/mol  
3
762.00 kJ/mol  
15
Electrochemical Equivalent
3.74 g/amp-hr  
10
0.69 g/amp-hr  
99+
Electron Work Function
4.49 eV  
20
4.70 eV  
15
Other Chemical Properties
Flammability, Ionization, Solubility  
Corrosion, Ionization, Solubility  
Atomic
Atomic Number
80  
36
26  
99+
Electron Configuration
[Xe] 4f14 5d10 6s2  
[Ar] 3d6 4s2  
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
26  
99+
Number of Neutrons
121  
23
30  
99+
Number of Electrons
80  
36
26  
99+
Radius of an Atom
  
  
Atomic Radius
151.00 pm  
34
126.00 pm  
99+
Covalent Radius
132.00 pm  
99+
132.00 pm  
99+
Van der Waals Radius
155.00 pm  
99+
200.00 pm  
35
Atomic Weight
200.59 amu  
32
55.85 amu  
99+
Atomic Volume
14.82 cm3/mol  
99+
7.10 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Gold
  
Manganese
  
Next Element
Thallium
  
Cobalt
  
Valence Electron Potential
28.20 (-eV)  
99+
67.00 (-eV)  
20
Lattice Constant
300.50 pm  
99+
286.65 pm  
99+
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
0.42  
99+
1.35  
99+
Mechanical
Density
  
  
Density At Room Temperature
13.53 g/cm3  
25
7.87 g/cm3  
99+
Density When Liquid (at m.p.)
13.55 g/cm3  
27
6.98 g/cm3  
99+
Tensile Strength
15.00 MPa  
99+
11,000.00 MPa  
1
Viscosity
0.00  
4
0.00  
19
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
30
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
36.80 (Pa)  
5
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
27
82.00 GPa  
11
Bulk Modulus
25.00 GPa  
99+
170.00 GPa  
10
Young's Modulus
45.00 GPa  
99+
211.00 GPa  
9
Poisson Ratio
0.44  
3
0.29  
15
Other Mechanical Properties
-  
Ductile, Malleable, Weldable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
13.53  
27
7.20  
99+
Magnetic Ordering
Diamagnetic  
Ferromagnetic  
Permeability
0.00 H/m  
10
0.01 H/m  
1
Susceptibility
0.00  
20
200,000.00  
1
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
961.00 nΩ·m  
1
96.10 nΩ·m  
32
Electrical Conductivity
0.01 106/cm Ω  
99+
0.10 106/cm Ω  
24
Electron Affinity
0.00 kJ/mol  
99+
15.70 kJ/mol  
40
Thermal
Specific Heat
0.14 J/(kg K)  
39
0.44 J/(kg K)  
13
Molar Heat Capacity
27.98 J/mol·K  
16
25.10 J/mol·K  
99+
Thermal Conductivity
8.30 W/m·K  
99+
80.40 W/m·K  
22
Critical Temperature
1,750.00 K  
33
1,811.00 K  
29
Thermal Expansion
60.40 µm/(m·K)  
5
11.80 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
56.90 kJ/mol  
99+
351.00 kJ/mol  
33
Enthalpy of Fusion
2.29 kJ/mol  
99+
14.90 kJ/mol  
23
Enthalpy of Atomization
61.50 kJ/mol  
99+
414.20 kJ/mol  
24
Standard Molar Entropy
75.80 J/mol.K  
6
27.30 J/mol.K  
99+
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