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Lead vs Plutonium

Lead
Plutonium
Plutonium vs Lead


Periodic Table
Symbol
Pb  
Pu  
Group Number
14  
4
0  
18
Period Number
6  
7  
Block
p block  
f block  
Element Family
Post-​Transition  
Actinide  
CAS Number
7439921  
99+
7440075  
99+
Space Group Name
Fm_ 3m  
P121/m1  
Space Group Number
225.00  
3
11.00  
16
Facts
Interesting Facts
  • Galena mineral contains almost 87% of Lead metal in it, Galena is sulfide mineral.
  • The best available source of Lead metal today is by recycling automobile batteries.
  
  • 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
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals  
Mining, Ores of metals  
History
  
  
Who Discovered
-  
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan  
Discovery
In Middle Easterns (7000 BCE)  
In Between 1940 1941  
Abundance
  
  
Abundance In Universe
0.00 %  
17
0.00 %  
40
Abundance In Sun
0.00 %  
18
0.00 %  
21
Abundance In Meteorites
0.00 %  
23
-  
Abundance In Earth's Crust
0.00 %  
26
0.00 %  
99+
Abundance In Oceans
0.00 %  
22
-  
Abundance In Humans
0.00 %  
9
0.00 %  
24
Uses
Uses & Benefits
  • It is also used in insecticides, hair dyes and as an anti-knocking additive for petrol. But all these are banned by the government as Lead metal is known for detrimental to health.
  
  • 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
Chemical Industry, Electrical Industry, Electronic Industry  
Aerospace Industry, Ammunition Industry  
Medical Uses
Surgical Instruments Manufacturing  
-  
Other Uses
Alloys  
Alloys  
Biological Properties
  
  
Toxicity
Toxic  
Toxic  
Present in Human Body
Yes  
No  
In Blood
0.21 Blood/mg dm-3  
11
0.00 Blood/mg dm-3  
40
In Bone
30.00 p.p.m.  
10
0.00 p.p.m.  
99+
Physical
Melting Point
327.50 °C  
99+
639.50 °C  
99+
Boiling Point
1,740.00 °C  
99+
3,235.00 °C  
25
Appearance
  
  
Physical State
Solid  
Solid  
Color
Gray  
Silvery White  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
1.50  
19
4.00  
11
Brinell Hardness
38.00 MPa  
99+
627.00 MPa  
22
Vickers Hardness
38.00 MPa  
99+
617.00 MPa  
26
Speed of Sound
1,190.00 m/s  
99+
2,260.00 m/s  
99+
Optical Properties
  
  
Refractive Index
2.02  
14
1.90  
18
Reflectivity
5.00 %  
39
68.00 %  
15
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Pb  
Pu  
Isotopes
  
  
Known Isotopes
35  
4
20  
19
Electronegativity
  
  
Pauling Electronegativity
1.87  
14
1.28  
34
Sanderson Electronegativity
2.29  
4
1.28  
26
Allred Rochow Electronegativity
1.55  
12
1.22  
27
Mulliken-Jaffe Electronegativity
2.41  
2
1.30  
33
Allen Electronegativity
1.85  
11
1.28  
99+
Electropositivity
  
  
Pauling Electropositivity
1.67  
99+
2.72  
21
Ionization Energies
  
  
1st Energy Level
715.60 kJ/mol  
31
584.70 kJ/mol  
99+
2nd Energy Level
1,450.50 kJ/mol  
99+
1,128.00 kJ/mol  
99+
3rd Energy Level
3,081.50 kJ/mol  
23
2,084.00 kJ/mol  
99+
4th Energy Level
4,083.00 kJ/mol  
99+
3,338.00 kJ/mol  
99+
5th Energy Level
6,640.00 kJ/mol  
32
5,847.00 kJ/mol  
99+
6th Energy Level
7,150.00 kJ/mol  
99+
5,847.00 kJ/mol  
99+
7th Energy level
7,156.00 kJ/mol  
36
5,840.00 kJ/mol  
99+
8th Energy Level
7,150.00 kJ/mol  
32
5,840.00 kJ/mol  
99+
9th Energy Level
7,156.00 kJ/mol  
30
5,840.00 kJ/mol  
99+
10th Energy Level
7,156.00 kJ/mol  
34
5,840.00 kJ/mol  
99+
11th Energy Level
7,156.00 kJ/mol  
33
5,840.00 kJ/mol  
99+
12th Energy Level
7,150.00 kJ/mol  
99+
58,400.00 kJ/mol  
18
13th Energy Level
7,150.00 kJ/mol  
28
5,840.00 kJ/mol  
99+
14th Energy Level
715.60 kJ/mol  
99+
5,840.00 kJ/mol  
39
15th Energy Level
71,500.00 kJ/mol  
24
58,400.00 kJ/mol  
99+
16th Energy Level
71,500.00 kJ/mol  
19
58,400.00 kJ/mol  
40
17th Energy Level
715.60 kJ/mol  
40
584.70 kJ/mol  
99+
18th Energy Level
7,150.00 kJ/mol  
30
5,840.00 kJ/mol  
99+
19th Energy Level
715.60 kJ/mol  
37
584.70 kJ/mol  
99+
20th Energy Level
715.00 kJ/mol  
31
584.00 kJ/mol  
99+
21st Energy Level
715.60 kJ/mol  
99+
584.70 kJ/mol  
99+
22nd Energy Level
715.00 kJ/mol  
25
584.00 kJ/mol  
99+
23rd Energy Level
715.60 kJ/mol  
99+
584.70 kJ/mol  
99+
24th Energy Level
715.60 kJ/mol  
24
584.70 kJ/mol  
99+
25th Energy Level
715.00 kJ/mol  
25
584.70 kJ/mol  
99+
26th Energy Level
715.60 kJ/mol  
24
584.70 kJ/mol  
99+
27th Energy Level
715.60 kJ/mol  
23
584.70 kJ/mol  
99+
28th Energy Level
715.60 kJ/mol  
29
584.70 kJ/mol  
99+
29th Energy Level
715.60 kJ/mol  
30
584.70 kJ/mol  
99+
30th Energy Level
715.00 kJ/mol  
24
584.00 kJ/mol  
99+
Electrochemical Equivalent
3.87 g/amp-hr  
9
2.28 g/amp-hr  
26
Electron Work Function
4.25 eV  
28
3.88 eV  
38
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes  
Corrosion, Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
82  
34
94  
24
Electron Configuration
[Xe] 4f14 5d10 6s2 6p2  
[Rn] 5f6 7s2  
Crystal Structure
Face Centered Cubic (FCC)  
Monoclinic (MON)  
Crystal Lattice
FCC-Crystal-Structure-of-Lead.jpg#100  
MON-Crystal-Structure-of-Plutonium.jpg#100  
Atom
  
  
Number of Protons
82  
34
94  
24
Number of Neutrons
125  
20
150  
12
Number of Electrons
82  
34
94  
24
Radius of an Atom
  
  
Atomic Radius
175.00 pm  
21
159.00 pm  
30
Covalent Radius
146.00 pm  
40
187.00 pm  
20
Van der Waals Radius
202.00 pm  
34
200.00 pm  
35
Atomic Weight
207.20 amu  
30
244.00 amu  
19
Atomic Volume
18.17 cm3/mol  
39
12.32 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Thallium
  
Neptunium
  
Next Element
Bismuth
  
Americium
  
Valence Electron Potential
24.20 (-eV)  
99+
64.90 (-eV)  
21
Lattice Constant
495.08 pm  
18
618.30 pm  
4
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.51  
99+
1.74  
6
Mechanical
Density
  
  
Density At Room Temperature
11.34 g/cm3  
35
19.82 g/cm3  
13
Density When Liquid (at m.p.)
10.66 g/cm3  
36
16.63 g/cm3  
18
Tensile Strength
12.00 MPa  
99+
40.00 MPa  
99+
Viscosity
0.00  
29
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
1.64 (Pa)  
7
0.00 (Pa)  
28
Vapor Pressure at 2000 K
0.00 (Pa)  
30
2.20 (Pa)  
12
Elasticity properties
  
  
Shear Modulus
5.60 GPa  
99+
43.00 GPa  
18
Bulk Modulus
46.00 GPa  
28
100.00 GPa  
16
Young's Modulus
16.00 GPa  
99+
96.00 GPa  
23
Poisson Ratio
0.44  
3
0.21  
33
Other Mechanical Properties
Ductile, Malleable  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
11.35  
38
19.84  
16
Magnetic Ordering
Diamagnetic  
Paramagnetic  
Permeability
0.00 H/m  
12
0.00 H/m  
16
Susceptibility
0.00  
30
0.00  
21
Electrical Properties
  
  
Electrical Property
Poor Conductor  
Poor Conductor  
Resistivity
208.00 nΩ·m  
16
1.46 nΩ·m  
99+
Electrical Conductivity
0.05 106/cm Ω  
99+
0.01 106/cm Ω  
99+
Electron Affinity
35.10 kJ/mol  
33
0.60 kJ/mol  
99+
Thermal
Specific Heat
0.13 J/(kg K)  
40
0.13 J/(kg K)  
40
Molar Heat Capacity
26.65 J/mol·K  
34
35.50 J/mol·K  
4
Thermal Conductivity
35.30 W/m·K  
39
6.74 W/m·K  
99+
Critical Temperature
600.61 K  
99+
913.00 K  
99+
Thermal Expansion
28.90 µm/(m·K)  
13
46.70 µm/(m·K)  
6
Enthalpy
  
  
Enthalpy of Vaporization
179.40 kJ/mol  
99+
344.00 kJ/mol  
36
Enthalpy of Fusion
4.77 kJ/mol  
99+
2.82 kJ/mol  
99+
Enthalpy of Atomization
194.60 kJ/mol  
99+
360.00 kJ/mol  
35
Standard Molar Entropy
64.80 J/mol.K  
18
37.10 J/mol.K  
99+
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