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Properties of Plutonium and Lead

Plutonium
Lead
Properties of Lead & Plutonium


Physical Properties
Melting Point
639.50 °C   
99+
327.50 °C   
99+
Boiling Point
3,235.00 °C   
24
1,740.00 °C   
99+
Hardness
  
  
Mohs Hardness
Not Available   
1.50   
18
Brinell Hardness
Not Available   
38.00 MPa   
99+
Vickers Hardness
Not Available   
Not Available   
Optical Properties
  
  
Refractive Index
Not Available   
Not Available   
Reflectivity
Not Available   
Not Available   
Speed of Sound
2,260.00 m/s   
99+
1,190.00 m/s   
99+
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
Pu   
Pb   
Isotopes
  
  
Known Isotopes
20   
19
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.28   
33
1.87   
13
Sanderson Electronegativity
Not Available   
2.29   
4
Allred Rochow Electronegativity
1.22   
26
1.55   
11
Mulliken-Jaffe Electronegativity
Not Available   
2.41   
2
Allen Electronegativity
Not Available   
1.85   
8
Electropositivity
  
  
Pauling Electropositivity
2.72   
21
1.67   
99+
Ionization Energies
  
  
1st Energy Level
584.70 kJ/mol   
99+
715.60 kJ/mol   
31
2nd Energy Level
1,128.00 kJ/mol   
99+
1,450.50 kJ/mol   
99+
3rd Energy Level
2,084.00 kJ/mol   
99+
3,081.50 kJ/mol   
23
Electrochemical Equivalent
2.28 g/amp-hr   
22
3.87 g/amp-hr   
9
Electron Work Function
Not Available   
4.25 eV   
21
Other Chemical Properties
?
Corrosion is a process which converts refined metals to their more stable forms, for example, its oxide and hydroxide. This process of metals getting corroded is a gradual destruction of metals by chemical reactions.Corrosion, 
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces.Radioactivity   
?
Anti-corrosion metals have the protection on their surfaces which protect them from corroding in corrosive environments.Anti Corrosion, 
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes   
Mechanical Properties
Density
  
  
Density At Room Temperature
19.82 g/cm3   
13
11.34 g/cm3   
33
Density When Liquid (at m.p.)
16.63 g/cm3   
8
10.66 g/cm3   
15
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
26
1.64 (Pa)   
7
Vapor Pressure at 2000 K
2.20 (Pa)   
12
Not Available   
Tensile Strength
Not Available   
12.00 MPa   
20
Viscosity
Not Available   
Not Available   
Elasticity properties
  
  
Shear Modulus
43.00 GPa   
18
5.60 GPa   
99+
Bulk Modulus
Not Available   
46.00 GPa   
24
Young's Modulus
96.00 GPa   
21
16.00 GPa   
99+
Poisson Ratio
0.21   
32
0.44   
3
Other Mechanical Properties
?
Ductility of metals defines their ability to deform under tensile stress; this is often characterized by the metals ability to be stretched into a wire.Ductile, 
?
Malleability of metals defines their ability to deform under compressive stress; this is often characterized by the metals ability to form a thin sheet by hammering or rolling.Malleable   
?
Ductility of metals defines their ability to deform under tensile stress; this is often characterized by the metals ability to be stretched into a wire.Ductile, 
?
Malleability of metals defines their ability to deform under compressive stress; this is often characterized by the metals ability to form a thin sheet by hammering or rolling.Malleable   
Periodic Table
Symbol
Pu   
Pb   
Group Number
0   
18
14   
4
Period Number
7   
6   
Block
?
The f-block is in the center-left of a 32-column periodic table but in the footnoted appendage of 18-column tables. These elements are not generally considered as part of any group. They are often called inner transition metals.f block   
?
The p-block is on the right side of the periodic table and includes elements from the six columns beginning with column 13 and ending with column 18. Helium, though being in the top of group 18, is not included in the p-block.p block   
Element Family
?
Total 15 metals are included in actinide series, from Actinium to Lawrencium. Actinide series is located under f and d block of the periodic table.Actinide   
?
All post transition metals are placed in group number 13, 14 and 15 of periodic table. In fact, they are located between Transition Metals and Metalloids. Post transition metals have very poor mechanical properties.Post-​Transition   
Atomic Properties
Atomic Number
94   
24
82   
34
Atomic Weight
244.00 amu   
19
207.20 amu   
30
Atomic Volume
12.32 cm3/mol   
99+
18.17 cm3/mol   
27
Electron Configuration
[Rn] 5f6 7s2   
[Xe] 4f14 5d10 6s2 6p2   
Valence Electron Potential
64.90 (-eV)   
21
24.20 (-eV)   
99+
Atom
  
  
Number of Protons
94   
24
82   
34
Number of Neutrons
150   
11
125   
19
Number of Electrons
94   
24
82   
34
Crystal Structure
?
The mono-clinic crystal structure is one of the seven lattice point groups. Here vectors of crystal have unequal lengths. Here vectors of crystal have unequal lengths and have two vectors perpendicular to the 3rd oneMonoclinic (MON)   
?
In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube. This is one of the most common and simplest shapes found in crystals and minerals.Face Centered Cubic (FCC)   
Crystal Lattice
MON-Crystal-Structure-of-Plutonium.jpg#100   
FCC-Crystal-Structure-of-Lead.jpg#100   
Radius of an Atom
  
  
Atomic Radius
159.00 pm   
28
175.00 pm   
19
Covalent Radius
187.00 pm   
20
146.00 pm   
38
Van der Waals Radius
200.00 pm   
28
202.00 pm   
27
Lattice Constant
618.30 pm   
4
495.08 pm   
16
Lattice Angles
NA   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Adjacent Atomic Numbers
  
  
Next Element
Americium
  
Bismuth
  
Previous Element
Neptunium
  
Thallium
  
Magnetic Properties
Electrical Properties
  
  
Resistivity
1.46 nΩ·m   
99+
208.00 nΩ·m   
16
Electrical Conductivity
0.01 106/cm Ω   
99+
0.05 106/cm Ω   
36
Electron Affinity
Not Available   
35.10 kJ/mol   
28
Electrical Property
?
Poor conductor metals have moderate resistance to electric currents. They can conduct electric current through them with very low efficiency.Poor Conductor   
?
Poor conductor metals have moderate resistance to electric currents. They can conduct electric current through them with very low efficiency.Poor Conductor   
Magnetic Characteristics
  
  
Specific Gravity
19.84   
7
11.35   
25
Magnetic Ordering
?
Paramagnetic metals are slightly attracted by magnet, but they can’t retain the magnetic effect once they are removed from the magnetic field.Paramagnetic   
?
Diamagnetic metals produce a magnetic field opposite to the applied magnetic field. Thus, they are repelled by magnets and show magnetic nature.Diamagnetic   
Permeability
Not Available   
Not Available   
Susceptibility
Not Available   
Not Available   
Thermal Properties
Specific Heat
0.13 J/(kg K)   
39
0.13 J/(kg K)   
39
Thermal Conductivity
6.74 W/m·K   
99+
35.30 W/m·K   
38
Critical Temperature
Not Available   
Not Available   
Molar Heat Capacity
35.50 J/mol·K   
3
26.65 J/mol·K   
26
Thermal Expansion
46.70 µm/(m·K)   
6
28.90 µm/(m·K)   
13
Standard Molar Entropy
Not Available   
64.80 J/mol.K   
17
Enthalpy
  
  
Enthalpy of Vaporization
344.00 kJ/mol   
25
179.40 kJ/mol   
99+
Enthalpy of Fusion
2.82 kJ/mol   
99+
4.77 kJ/mol   
99+
Enthalpy of Atomization
360.00 kJ/mol   
26
194.60 kJ/mol   
99+
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