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Mercury vs Plutonium

Mercury
Plutonium
Plutonium vs Mercury


Periodic Table
Symbol
Hg   
Pu   
Group Number
12   
6
0   
18
Period Number
6   
7   
Block
d block   
f block   
Element Family
Transition Metal   
Actinide   
CAS Number
7439976   
99+
7440075   
99+
Space Group Name
R_ 3m   
P121/m1   
Space Group Number
166.00   
6
11.00   
13
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.
  
  • Plutonium metal if obtain from ores of uranium metal.
  • Plutonium metal is very sensitive to the change in atmospheric conditions like temperature and pressure.
  
Sources
Mining, Ores of Minerals   
Mining, Ores of metals   
History
  
  
Who Discovered
Ancient Chinese and Indians   
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan   
Discovery
Before 2000 BCE   
In Between 1940 1941   
Abundance
  
  
Abundance In Earth's Crust
0.05 %   
9
Not Available   
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.
  
  • Plutonium was used in atomic bombs and still it is being used in various weapons and Ammunition industry.
  • It is also used in nuclear power plant as source of energy for space missions.
  
Industrial Uses
Electrical Industry, Electronic Industry   
Aerospace Industry, Ammunition Industry   
Medical Uses
Dentistry   
NA   
Other Uses
Alloys, Mirror Manufacturing, Pharmaceutical Industry   
Alloys   
Biological Properties
  
  
Toxicity
Highly Toxic   
Toxic   
Present in Human Body
Yes   
No   
In Blood
0.01 Blood/mg dm-3   
23
0.00 Blood/mg dm-3   
37
In Bone
0.45 p.p.m.   
19
0.00 p.p.m.   
36
Physical Properties
Melting Point
Not Available   
639.50 °C   
99+
Boiling Point
356.58 °C   
99+
3,235.00 °C   
24
Appearance
  
  
Physical State
Liquid   
Solid   
Color
Silver   
Silvery White   
Luster
NA   
NA   
Hardness
  
  
Speed of Sound
1,451.40 m/s   
99+
2,260.00 m/s   
99+
Optical Properties
  
  
Refractive Index
1.00   
3
Not Available   
Reflectivity
73.00 %   
8
Not Available   
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
Hg   
Pu   
Isotopes
  
  
Known Isotopes
34   
5
20   
19
Electronegativity
  
  
Pauling Electronegativity
2.00   
7
1.28   
33
Sanderson Electronegativity
2.20   
7
Not Available   
Allred Rochow Electronegativity
1.44   
17
1.22   
26
Mulliken-Jaffe Electronegativity
1.81   
9
Not Available   
Allen Electronegativity
1.44   
30
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.00   
99+
2.72   
21
Ionization Energies
  
  
1st Energy Level
1,007.10 kJ/mol   
4
584.70 kJ/mol   
99+
2nd Energy Level
1,810.00 kJ/mol   
20
1,128.00 kJ/mol   
99+
3rd Energy Level
3,300.00 kJ/mol   
20
2,084.00 kJ/mol   
99+
4th Energy Level
Not Available   
3,338.00 kJ/mol   
99+
Electrochemical Equivalent
3.74 g/amp-hr   
10
2.28 g/amp-hr   
22
Electron Work Function
4.49 eV   
15
Not Available   
Other Chemical Properties
Flammability, Ionization, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
80   
36
94   
24
Electron Configuration
[Xe] 4f14 5d10 6s2   
[Rn] 5f6 7s2   
Crystal Structure
Rhombohedral (RHO)   
Monoclinic (MON)   
Crystal Lattice
RHO-Crystal-Structure-of-Mercury.jpg#100   
MON-Crystal-Structure-of-Plutonium.jpg#100   
Atom
  
  
Number of Protons
80   
36
94   
24
Number of Neutrons
121   
22
150   
11
Number of Electrons
80   
36
94   
24
Radius of an Atom
  
  
Atomic Radius
151.00 pm   
32
159.00 pm   
28
Covalent Radius
132.00 pm   
99+
187.00 pm   
20
Van der Waals Radius
155.00 pm   
99+
200.00 pm   
28
Atomic Weight
200.59 amu   
32
244.00 amu   
19
Atomic Volume
14.82 cm3/mol   
35
12.32 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Gold
  
Neptunium
  
Next Element
Thallium
  
Americium
  
Valence Electron Potential
28.20 (-eV)   
99+
64.90 (-eV)   
21
Lattice Constant
300.50 pm   
99+
618.30 pm   
4
Lattice Angles
NA   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
13.53 g/cm3   
24
19.82 g/cm3   
13
Density When Liquid (at m.p.)
Not Available   
16.63 g/cm3   
8
Tensile Strength
Not Available   
Not Available   
Viscosity
0.00   
1
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
26
Vapor Pressure at 2000 K
Not Available   
2.20 (Pa)   
12
Elasticity properties
  
  
Shear Modulus
Not Available   
43.00 GPa   
18
Young's Modulus
Not Available   
96.00 GPa   
21
Poisson Ratio
Not Available   
0.21   
32
Other Mechanical Properties
NA   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
13.53   
16
19.84   
7
Magnetic Ordering
Diamagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Poor Conductor   
Resistivity
961.00 nΩ·m   
1
1.46 nΩ·m   
99+
Electrical Conductivity
0.01 106/cm Ω   
99+
0.01 106/cm Ω   
99+
Electron Affinity
0.00 kJ/mol   
40
Not Available   
Thermal Properties
Specific Heat
0.14 J/(kg K)   
38
0.13 J/(kg K)   
39
Molar Heat Capacity
27.98 J/mol·K   
13
35.50 J/mol·K   
3
Thermal Conductivity
8.30 W/m·K   
99+
6.74 W/m·K   
99+
Critical Temperature
1,750.00 K   
6
Not Available   
Thermal Expansion
60.40 µm/(m·K)   
5
46.70 µm/(m·K)   
6
Enthalpy
  
  
Enthalpy of Vaporization
56.90 kJ/mol   
99+
344.00 kJ/mol   
25
Enthalpy of Fusion
2.29 kJ/mol   
99+
2.82 kJ/mol   
99+
Enthalpy of Atomization
61.50 kJ/mol   
99+
360.00 kJ/mol   
26
Standard Molar Entropy
75.80 J/mol.K   
6
Not Available   
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