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Plutonium Roentgenium Comparison


Roentgenium Plutonium comparison


Periodic Table

Symbol
Pu   
Rg   

Group Number
0   
18
11   
7

Period Number
7   
7   

Block
f block   
d block   

Element Family
Actinide   
Unknown   

CAS Number
7440075   
99+
54386242   
1

Space Group Name
P121/m1   
Not Available   

Space Group Number
11.00   
13
194.00   
5

Facts

Interesting Facts
  • Plutonium metal if obtain from ores of uranium metal.
  • Plutonium metal is very sensitive to the change in atmospheric conditions like temperature and pressure.
  
Not Available   

Sources
Mining, Ores of metals   
Synthetically Produced   

History
  
  

Who Discovered
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan   
Gesellschaft für Schwerionenforschung   

Discovery
In Between 1940 1941   
In 1994   

Abundance
  
  

Uses

Uses & Benefits
  • 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.
  
  • Currently known uses of Roentgenium metal are limited to research purpose only.
  

Industrial Uses
Aerospace Industry, Ammunition Industry   
NA   

Medical Uses
NA   
NA   

Other Uses
Alloys   
Research Purposes   

Biological Properties
  
  

Toxicity
Toxic   
Unknown   

Present in Human Body
No   
No   

In Blood
0.00 Blood/mg dm-3   
37
0.00 Blood/mg dm-3   
37

In Bone
0.00 p.p.m.   
36
0.00 p.p.m.   
36

Physical Properties

Melting Point
639.50 °C   
99+
Not Available   

Boiling Point
3,235.00 °C   
24
Not Available   

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Silver   

Luster
NA   
Unknown Luster   

Hardness
  
  

Speed of Sound
2,260.00 m/s   
99+
Not Available   

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
Pu   
Rg   

Isotopes
  
  

Known Isotopes
20   
19
1   
34

Electronegativity
  
  

Pauling Electronegativity
1.28   
33
Not Available   

Allred Rochow Electronegativity
1.22   
26
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.72   
21
Not Available   

Ionization Energies
  
  

1st Energy Level
584.70 kJ/mol   
99+
1,022.70 kJ/mol   
3

2nd Energy Level
1,128.00 kJ/mol   
99+
2,074.40 kJ/mol   
10

3rd Energy Level
2,084.00 kJ/mol   
99+
3,077.90 kJ/mol   
24

4th Energy Level
3,338.00 kJ/mol   
99+
4,052.40 kJ/mol   
36

5th Energy Level
Not Available   
5,306.70 kJ/mol   
31

Electrochemical Equivalent
2.28 g/amp-hr   
22
Not Available   

Electron Work Function
Not Available   
Not Available   

Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
NA   

Atomic Properties

Atomic Number
94   
24
111   
7

Electron Configuration
[Rn] 5f6 7s2   
[Rn] 5f14 6d9 7s2   

Crystal Structure
Monoclinic (MON)   
Body Centered Cubic (BCC)   

Crystal Lattice
MON-Crystal-Structure-of-Plutonium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
94   
24
111   
7

Number of Neutrons
150   
11
161   
3

Number of Electrons
94   
24
111   
7

Radius of an Atom
  
  

Atomic Radius
159.00 pm   
28
Not Available   

Covalent Radius
187.00 pm   
20
Not Available   

Van der Waals Radius
200.00 pm   
28
Not Available   

Atomic Weight
244.00 amu   
19
281.00 amu   
6

Atomic Volume
12.32 cm3/mol   
99+
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Neptunium
  

Next Element
Americium
  

Valence Electron Potential
64.90 (-eV)   
21
Not Available   

Lattice Constant
618.30 pm   
4
Not Available   

Lattice Angles
NA   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
19.82 g/cm3   
13
28.70 g/cm3   
6

Density When Liquid (at m.p.)
16.63 g/cm3   
8
Not Available   

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)   
26
Not Available   

Vapor Pressure at 2000 K
2.20 (Pa)   
12
Not Available   

Elasticity properties
  
  

Shear Modulus
43.00 GPa   
18
Not Available   

Young's Modulus
96.00 GPa   
21
Not Available   

Poisson Ratio
0.21   
32
Not Available   

Other Mechanical Properties
Ductile, Malleable   
Unknown   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
19.84   
7
Not Available   

Magnetic Ordering
Paramagnetic   
Unknown   

Electrical Properties
  
  

Electrical Property
Poor Conductor   
Unknown   

Resistivity
1.46 nΩ·m   
99+
Not Available   

Electrical Conductivity
0.01 106/cm Ω   
99+
Not Available   

Thermal Properties

Specific Heat
0.13 J/(kg K)   
39
Not Available   

Molar Heat Capacity
35.50 J/mol·K   
3
Not Available   

Thermal Conductivity
6.74 W/m·K   
99+
Not Available   

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
46.70 µm/(m·K)   
6
Not Available   

Enthalpy
  
  

Enthalpy of Vaporization
344.00 kJ/mol   
25
Not Available   

Enthalpy of Fusion
2.82 kJ/mol   
99+
Not Available   

Enthalpy of Atomization
360.00 kJ/mol   
26
Not Available   

Standard Molar Entropy
Not Available   
Not Available   

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