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Cesium vs Plutonium

Cesium
Plutonium
Plutonium vs Cesium


Periodic Table
Symbol
Cs   
Pu   
Group Number
1   
17
0   
18
Period Number
6   
7   
Block
s block   
f block   
Element Family
Alkali   
Actinide   
CAS Number
7440462   
40
7440075   
99+
Space Group Name
Im_ 3m   
P121/m1   
Space Group Number
229.00   
1
11.00   
13
Facts
Interesting Facts
Not Available   
  • 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 Minerals   
Mining, Ores of metals   
History
  
  
Who Discovered
Robert Bunsen and Gustav Kirchhoff   
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan   
Discovery
In 1860   
In Between 1940 1941   
Abundance
  
  
Abundance In Universe
8 * 10-8 %   
24
Not Available   
Abundance In Sun
~0.0000008 %   
20
~-9999 %   
Abundance In Meteorites
0.00 %   
38
Not Available   
Abundance In Earth's Crust
0.00 %   
35
Not Available   
Abundance In Oceans
0.00 %   
17
Not Available   
Abundance In Humans
0.00 %   
17
Not Available   
Uses
Uses & Benefits
  • The most common use of cesium metal is as a drilling fluid. It is also used in optical glass manufacturing.
  • In vacuum tubes and radiation monitor equipment this metal is used as a catalyst promoter.
  
  • 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
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry   
Aerospace Industry, Ammunition Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Mildly Toxic   
Toxic   
Present in Human Body
Yes   
No   
In Blood
0.00 Blood/mg dm-3   
28
0.00 Blood/mg dm-3   
37
In Bone
0.05 p.p.m.   
26
0.00 p.p.m.   
36
Physical Properties
Melting Point
28.50 °C   
99+
639.50 °C   
99+
Boiling Point
678.40 °C   
99+
3,235.00 °C   
24
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery Gold   
Silvery White   
Luster
NA   
NA   
Hardness
  
  
Mohs Hardness
0.20   
25
Not Available   
Brinell Hardness
0.14 MPa   
99+
Not Available   
Speed of Sound
Not Available   
2,260.00 m/s   
99+
Optical Properties
  
  
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
Cs   
Pu   
Isotopes
  
  
Known Isotopes
36   
3
20   
19
Electronegativity
  
  
Pauling Electronegativity
0.79   
99+
1.28   
33
Sanderson Electronegativity
0.22   
33
Not Available   
Allred Rochow Electronegativity
0.86   
99+
1.22   
26
Mulliken-Jaffe Electronegativity
0.62   
26
Not Available   
Allen Electronegativity
0.66   
99+
Not Available   
Electropositivity
  
  
Pauling Electropositivity
3.21   
2
2.72   
21
Ionization Energies
  
  
1st Energy Level
375.70 kJ/mol   
99+
584.70 kJ/mol   
99+
2nd Energy Level
2,234.30 kJ/mol   
8
1,128.00 kJ/mol   
99+
3rd Energy Level
3,400.00 kJ/mol   
16
2,084.00 kJ/mol   
99+
4th Energy Level
Not Available   
3,338.00 kJ/mol   
99+
Electrochemical Equivalent
4.96 g/amp-hr   
3
2.28 g/amp-hr   
22
Electron Work Function
2.14 eV   
99+
Not Available   
Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Radioactive Isotopes, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
55   
99+
94   
24
Electron Configuration
[Xe] 6s1   
[Rn] 5f6 7s2   
Crystal Structure
Body Centered Cubic (BCC)   
Monoclinic (MON)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
MON-Crystal-Structure-of-Plutonium.jpg#100   
Atom
  
  
Number of Protons
55   
99+
94   
24
Number of Neutrons
78   
99+
150   
11
Number of Electrons
55   
99+
94   
24
Radius of an Atom
  
  
Atomic Radius
265.00 pm   
1
159.00 pm   
28
Covalent Radius
244.00 pm   
2
187.00 pm   
20
Van der Waals Radius
343.00 pm   
2
200.00 pm   
28
Atomic Weight
132.91 amu   
99+
244.00 amu   
19
Atomic Volume
71.07 cm3/mol   
1
12.32 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Tin
  
Neptunium
  
Next Element
Barium
  
Americium
  
Valence Electron Potential
8.62 (-eV)   
99+
64.90 (-eV)   
21
Lattice Constant
614.10 pm   
5
618.30 pm   
4
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
1.93 g/cm3   
99+
19.82 g/cm3   
13
Density When Liquid (at m.p.)
1.84 g/cm3   
99+
16.63 g/cm3   
8
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
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
Bulk Modulus
1.60 GPa   
99+
Not Available   
Young's Modulus
1.70 GPa   
99+
96.00 GPa   
21
Poisson Ratio
Not Available   
0.21   
32
Other Mechanical Properties
Ductile   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
1.87   
99+
19.84   
7
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Semiconductor   
Poor Conductor   
Resistivity
205.00 nΩ·m   
17
1.46 nΩ·m   
99+
Electrical Conductivity
0.05 106/cm Ω   
35
0.01 106/cm Ω   
99+
Electron Affinity
45.50 kJ/mol   
25
Not Available   
Thermal Properties
Specific Heat
0.24 J/(kg K)   
23
0.13 J/(kg K)   
39
Molar Heat Capacity
32.21 J/mol·K   
4
35.50 J/mol·K   
3
Thermal Conductivity
35.90 W/m·K   
36
6.74 W/m·K   
99+
Critical Temperature
1,938.00 K   
5
Not Available   
Thermal Expansion
97.00 µm/(m·K)   
1
46.70 µm/(m·K)   
6
Enthalpy
  
  
Enthalpy of Vaporization
65.90 kJ/mol   
99+
344.00 kJ/mol   
25
Enthalpy of Fusion
2.10 kJ/mol   
99+
2.82 kJ/mol   
99+
Enthalpy of Atomization
78.20 kJ/mol   
99+
360.00 kJ/mol   
26
Standard Molar Entropy
85.20 J/mol.K   
3
Not Available   
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