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Plutonium vs Platinum


Platinum vs Plutonium


Periodic Table

Symbol
Pu   
Pt   

Group Number
0   
18
10   
8

Period Number
7   
6   

Block
f block   
d block   

Element Family
Actinide   
Transition Metal   

CAS Number
7440075   
99+
7440064   
99+

Space Group Name
P121/m1   
Fm_ 3m   

Space Group Number
11.00   
13
225.00   
2

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.
  
  • Platinum is the rarest metal from the Precious metal categories..
  • Commercially Platinum is produced as a byproduct in ores of nickel.
  

Sources
Mining, Ores of metals   
Mining, Ores of metals, Ores of Minerals   

History
  
  

Who Discovered
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan   
Antonio de Ulloa   

Discovery
In Between 1940 1941   
In 1735   

Abundance
  
  

Abundance In Universe
Not Available   
5 * 10-7 %   
19

Abundance In Sun
~-9999 %   
~0.0000009 %   
19

Abundance In Meteorites
Not Available   
0.00 %   
25

Abundance In Earth's Crust
Not Available   
0.00 %   
99+

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.
  
  • Platinum metal is mainly used in jewellery.
  • Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
  

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

Medical Uses
NA   
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   

Other Uses
Alloys   
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues   

Biological Properties
  
  

Toxicity
Toxic   
Non Toxic   

Present in Human Body
No   
No   

In Blood
0.00 Blood/mg dm-3   
37
Not Available   

In Bone
0.00 p.p.m.   
36
Not Available   

Physical Properties

Melting Point
639.50 °C   
99+
1,772.00 °C   
16

Boiling Point
3,235.00 °C   
24
3,827.00 °C   
15

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Silvery White   

Luster
NA   
Metallic   

Hardness
  
  

Mohs Hardness
Not Available   
3.50   
11

Brinell Hardness
Not Available   
300.00 MPa   
34

Vickers Hardness
Not Available   
400.00 MPa   
25

Speed of Sound
2,260.00 m/s   
99+
2,800.00 m/s   
29

Optical Properties
  
  

Reflectivity
Not Available   
73.00 %   
8

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   
Pt   

Isotopes
  
  

Known Isotopes
20   
19
35   
4

Electronegativity
  
  

Pauling Electronegativity
1.28   
33
2.28   
3

Allred Rochow Electronegativity
1.22   
26
1.44   
17

Allen Electronegativity
Not Available   
1.72   
16

Electropositivity
  
  

Pauling Electropositivity
2.72   
21
1.72   
99+

Ionization Energies
  
  

1st Energy Level
584.70 kJ/mol   
99+
870.00 kJ/mol   
10

2nd Energy Level
1,128.00 kJ/mol   
99+
1,791.00 kJ/mol   
21

3rd Energy Level
2,084.00 kJ/mol   
99+
Not Available   

4th Energy Level
3,338.00 kJ/mol   
99+
Not Available   

Electrochemical Equivalent
2.28 g/amp-hr   
22
1.82 g/amp-hr   
35

Electron Work Function
Not Available   
5.65 eV   
1

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

Atomic Properties

Atomic Number
94   
24
78   
38

Electron Configuration
[Rn] 5f6 7s2   
[Xe] 4f14 5d9 6s1   

Crystal Structure
Monoclinic (MON)   
Face Centered Cubic (FCC)   

Crystal Lattice
MON-Crystal-Structure-of-Plutonium.jpg#100   
FCC-Crystal-Structure-of-Platinum.jpg#100   

Atom
  
  

Number of Protons
94   
24
78   
38

Number of Neutrons
150   
11
117   
24

Number of Electrons
94   
24
78   
38

Radius of an Atom
  
  

Atomic Radius
159.00 pm   
28
139.00 pm   
39

Covalent Radius
187.00 pm   
20
136.00 pm   
99+

Van der Waals Radius
200.00 pm   
28
175.00 pm   
36

Atomic Weight
244.00 amu   
19
47.87 amu   
99+

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

Adjacent Atomic Numbers
  
  

Previous Element
Neptunium
  
Iridium
  

Next Element
Americium
  
Gold
  

Valence Electron Potential
64.90 (-eV)   
21
392.42 (-eV)   
1

Lattice Constant
618.30 pm   
4
392.42 pm   
24

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
19.82 g/cm3   
13
21.45 g/cm3   
11

Density When Liquid (at m.p.)
16.63 g/cm3   
8
19.77 g/cm3   
2

Tensile Strength
Not Available   
125.00 MPa   
14

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
0.07 (Pa)   
18

Elasticity properties
  
  

Shear Modulus
43.00 GPa   
18
61.00 GPa   
14

Bulk Modulus
Not Available   
230.00 GPa   
6

Young's Modulus
96.00 GPa   
21
168.00 GPa   
14

Poisson Ratio
0.21   
32
0.38   
6

Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
19.84   
7
21.45   
4

Magnetic Ordering
Paramagnetic   
Paramagnetic   

Permeability
Not Available   
0.00 H/m   
3

Electrical Properties
  
  

Electrical Property
Poor Conductor   
Conductor   

Resistivity
1.46 nΩ·m   
99+
105.00 nΩ·m   
30

Electrical Conductivity
0.01 106/cm Ω   
99+
0.10 106/cm Ω   
21

Electron Affinity
Not Available   
205.30 kJ/mol   
2

Thermal Properties

Specific Heat
0.13 J/(kg K)   
39
0.13 J/(kg K)   
39

Molar Heat Capacity
35.50 J/mol·K   
3
25.86 J/mol·K   
35

Thermal Conductivity
6.74 W/m·K   
99+
71.60 W/m·K   
24

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
46.70 µm/(m·K)   
6
8.80 µm/(m·K)   
99+

Enthalpy
  
  

Enthalpy of Vaporization
344.00 kJ/mol   
25
510.50 kJ/mol   
11

Enthalpy of Fusion
2.82 kJ/mol   
99+
19.70 kJ/mol   
12

Enthalpy of Atomization
360.00 kJ/mol   
26
565.00 kJ/mol   
11

Standard Molar Entropy
Not Available   
41.60 J/mol.K   
36

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