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Plutonium Uranium Comparison


Uranium Plutonium comparison


Periodic Table

Symbol
Pu  
U  

Group Number
0  
18
0  
18

Period Number
7  
7  

Block
f block  
f block  

Element Family
Actinide  
Actinide  

CAS Number
7440075  
99+
7440611  
28

Space Group Name
P121/m1  
Cmcm  

Space Group Number
11.00  
16
63.00  
13

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.
  
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  

Sources
Mining, Ores of metals  
Earth's crust, Mining, Ores of Minerals  

History
  
  

Who Discovered
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan  
-  

Discovery
In Between 1940 1941  
In 1789  

Abundance
  
  

Abundance In Universe
0.00 %  
40
0.00 %  
30

Abundance In Sun
0.00 %  
21
0.00 %  
26

Abundance In Meteorites
-  
0.00 %  
99+

Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
36

Abundance In Oceans
-  
0.00 %  
11

Abundance In Humans
0.00 %  
24
0.00 %  
24

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.
  
  • The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
  • Synthetic elements like transuranium are made from Uranium metal.
  

Industrial Uses
Aerospace Industry, Ammunition Industry  
Ammunition Industry, Chemical Industry  

Medical Uses
-  
-  

Other Uses
Alloys  
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues  

Biological Properties
  
  

Toxicity
Toxic  
Toxic  

Present in Human Body
No  
No  

In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
37

In Bone
0.00 p.p.m.  
99+
1.20 p.p.m.  
19

Physical

Melting Point
639.50 °C  
99+
1,132.00 °C  
39

Boiling Point
3,235.00 °C  
25
3,818.00 °C  
16

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery White  
Silvery Gray  

Luster
-  
Metallic  

Hardness
  
  

Mohs Hardness
4.00  
11
6.00  
6

Brinell Hardness
627.00 MPa  
22
2,350.00 MPa  
2

Vickers Hardness
617.00 MPa  
26
1,960.00 MPa  
6

Speed of Sound
2,260.00 m/s  
99+
3,155.00 m/s  
36

Optical Properties
  
  

Refractive Index
1.90  
18
1.38  
40

Reflectivity
68.00 %  
15
80.00 %  
7

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Pu  
U  

Isotopes
  
  

Known Isotopes
20  
19
25  
14

Electronegativity
  
  

Pauling Electronegativity
1.28  
34
1.38  
29

Sanderson Electronegativity
1.28  
26
1.38  
22

Allred Rochow Electronegativity
1.22  
27
1.22  
27

Mulliken-Jaffe Electronegativity
1.30  
33
1.38  
29

Allen Electronegativity
1.28  
99+
1.38  
36

Electropositivity
  
  

Pauling Electropositivity
2.72  
21
2.62  
26

Ionization Energies
  
  

1st Energy Level
584.70 kJ/mol  
99+
597.60 kJ/mol  
99+

2nd Energy Level
1,128.00 kJ/mol  
99+
1,420.00 kJ/mol  
99+

3rd Energy Level
2,084.00 kJ/mol  
99+
1,900.00 kJ/mol  
99+

4th Energy Level
3,338.00 kJ/mol  
99+
3,145.00 kJ/mol  
99+

5th Energy Level
5,847.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+

6th Energy Level
5,847.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+

7th Energy level
5,840.00 kJ/mol  
99+
5,970.00 kJ/mol  
99+

8th Energy Level
5,840.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+

9th Energy Level
5,840.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+

10th Energy Level
5,840.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+

11th Energy Level
5,840.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+

12th Energy Level
58,400.00 kJ/mol  
18
5,970.00 kJ/mol  
99+

13th Energy Level
5,840.00 kJ/mol  
99+
5,970.00 kJ/mol  
99+

14th Energy Level
5,840.00 kJ/mol  
39
5,970.00 kJ/mol  
34

15th Energy Level
58,400.00 kJ/mol  
99+
59,700.00 kJ/mol  
99+

16th Energy Level
58,400.00 kJ/mol  
40
59,700.00 kJ/mol  
35

17th Energy Level
584.70 kJ/mol  
99+
597.60 kJ/mol  
99+

18th Energy Level
5,840.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+

19th Energy Level
584.70 kJ/mol  
99+
597.60 kJ/mol  
99+

20th Energy Level
584.00 kJ/mol  
99+
597.00 kJ/mol  
99+

21st Energy Level
584.70 kJ/mol  
99+
597.60 kJ/mol  
99+

22nd Energy Level
584.00 kJ/mol  
99+
597.00 kJ/mol  
99+

23rd Energy Level
584.70 kJ/mol  
99+
597.60 kJ/mol  
99+

24th Energy Level
584.70 kJ/mol  
99+
597.60 kJ/mol  
99+

25th Energy Level
584.70 kJ/mol  
99+
597.60 kJ/mol  
99+

26th Energy Level
584.70 kJ/mol  
99+
597.60 kJ/mol  
99+

27th Energy Level
584.70 kJ/mol  
99+
597.60 kJ/mol  
99+

28th Energy Level
584.70 kJ/mol  
99+
597.60 kJ/mol  
99+

29th Energy Level
584.70 kJ/mol  
99+
597.60 kJ/mol  
99+

30th Energy Level
584.00 kJ/mol  
99+
597.60 kJ/mol  
99+

Electrochemical Equivalent
2.28 g/amp-hr  
26
1.48 g/amp-hr  
99+

Electron Work Function
3.88 eV  
38
3.63 eV  
99+

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

Atomic

Atomic Number
94  
24
92  
26

Electron Configuration
[Rn] 5f6 7s2  
[Rn] 5f3 6d1 7s2  

Crystal Structure
Monoclinic (MON)  
Orthorhombic (ORTH)  

Crystal Lattice
MON-Crystal-Structure-of-Plutonium.jpg#100  
ORTH-Crystal-Structure-of-Uranium.jpg#100  

Atom
  
  

Number of Protons
94  
24
92  
26

Number of Neutrons
150  
12
146  
14

Number of Electrons
94  
24
92  
26

Radius of an Atom
  
  

Atomic Radius
159.00 pm  
30
156.00 pm  
31

Covalent Radius
187.00 pm  
20
196.00 pm  
14

Van der Waals Radius
200.00 pm  
35
186.00 pm  
40

Atomic Weight
244.00 amu  
19
238.03 amu  
21

Atomic Volume
12.32 cm3/mol  
99+
12.59 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Neptunium
  

Next Element
Americium
  
Neptunium
  

Valence Electron Potential
64.90 (-eV)  
21
170.00 (-eV)  
4

Lattice Constant
618.30 pm  
4
295.08 pm  
99+

Lattice Angles
-  
π/2, π/2, π/2  

Lattice C/A Ratio
1.74  
6
1.02  
99+

Mechanical

Density
  
  

Density At Room Temperature
19.82 g/cm3  
13
19.10 g/cm3  
17

Density When Liquid (at m.p.)
16.63 g/cm3  
18
17.30 g/cm3  
17

Tensile Strength
40.00 MPa  
99+
100.00 MPa  
28

Viscosity
0.00  
25
0.00  
21

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
28
0.00 (Pa)  
37

Vapor Pressure at 2000 K
2.20 (Pa)  
12
0.01 (Pa)  
20

Elasticity properties
  
  

Shear Modulus
43.00 GPa  
18
111.00 GPa  
10

Bulk Modulus
100.00 GPa  
16
100.00 GPa  
16

Young's Modulus
96.00 GPa  
23
208.00 GPa  
11

Poisson Ratio
0.21  
33
0.23  
30

Other Mechanical Properties
Ductile, Malleable  
Ductile, Malleable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
19.84  
16
18.80  
19

Magnetic Ordering
Paramagnetic  
Paramagnetic  

Permeability
0.00 H/m  
16
0.00 H/m  
16

Susceptibility
0.00  
21
0.00  
24

Electrical Properties
  
  

Electrical Property
Poor Conductor  
Poor Conductor  

Resistivity
1.46 nΩ·m  
99+
0.28 nΩ·m  
99+

Electrical Conductivity
0.01 106/cm Ω  
99+
0.04 106/cm Ω  
99+

Electron Affinity
0.60 kJ/mol  
99+
50.60 kJ/mol  
25

Thermal

Specific Heat
0.13 J/(kg K)  
40
0.12 J/(kg K)  
99+

Molar Heat Capacity
35.50 J/mol·K  
4
27.67 J/mol·K  
18

Thermal Conductivity
6.74 W/m·K  
99+
27.50 W/m·K  
99+

Critical Temperature
913.00 K  
99+
1,405.00 K  
99+

Thermal Expansion
46.70 µm/(m·K)  
6
13.90 µm/(m·K)  
30

Enthalpy
  
  

Enthalpy of Vaporization
344.00 kJ/mol  
36
477.00 kJ/mol  
18

Enthalpy of Fusion
2.82 kJ/mol  
99+
15.48 kJ/mol  
19

Enthalpy of Atomization
360.00 kJ/mol  
35
489.50 kJ/mol  
18

Standard Molar Entropy
37.10 J/mol.K  
99+
50.20 J/mol.K  
99+

Summary >>
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