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Plutonium Lawrencium Comparison


Lawrencium Plutonium comparison


Periodic Table

Symbol
Pu   
Lr   

Group Number
0   
18
Not Available   

Period Number
7   
7   

Block
f block   
d block   

Element Family
Actinide   
Actinide   

CAS Number
7440075   
99+
22537195   
15

Space Group Name
P121/m1   
Not Available   

Space Group Number
11.00   
13
Not Available   

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.
  
  • It is synthetically produced metal.
  • Radiation hazard can be produce by it.
  

Sources
Mining, Ores of metals   
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining   

History
  
  

Who Discovered
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan   
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research   

Discovery
In Between 1940 1941   
In 1961–1971   

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 Lawrencium metal are limited to research purpose only.
  

Industrial Uses
Aerospace Industry, Ammunition Industry   
NA   

Medical Uses
NA   
NA   

Other Uses
Alloys   
NA   

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+
1,627.00 °C   
20

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   
Lr   

Isotopes
  
  

Known Isotopes
20   
19
10   
28

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+
470.00 kJ/mol   
99+

2nd Energy Level
1,128.00 kJ/mol   
99+
1,428.00 kJ/mol   
99+

3rd Energy Level
2,084.00 kJ/mol   
99+
2,228.00 kJ/mol   
99+

4th Energy Level
3,338.00 kJ/mol   
99+
4,910.00 kJ/mol   
21

Electrochemical Equivalent
2.28 g/amp-hr   
22
3.23 g/amp-hr   
11

Electron Work Function
Not Available   
Not Available   

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

Atomic Properties

Atomic Number
94   
24
103   
15

Electron Configuration
[Rn] 5f6 7s2   
[Rn] 5f14 7s2 7p1   

Crystal Structure
Monoclinic (MON)   
Hexagonal Close Packed (HCP)   

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

Atom
  
  

Number of Protons
94   
24
103   
15

Number of Neutrons
150   
11
157   
7

Number of Electrons
94   
24
103   
15

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
246.00 pm   
8

Atomic Weight
244.00 amu   
19
266.00 amu   
12

Atomic Volume
12.32 cm3/mol   
99+
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Neptunium
  
Nobelium
  

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
Not Available   

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
0.32   
12

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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