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Cesium Plutonium Comparison


Plutonium Cesium comparison


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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