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Niobium Plutonium Comparison


Plutonium Niobium comparison


Periodic Table

Symbol
Nb   
Pu   

Group Number
5   
13
0   
18

Period Number
5   
7   

Block
d block   
f block   

Element Family
Transition Metal   
Actinide   

CAS Number
7440031   
99+
7440075   
99+

Space Group Name
Im_ 3m   
P121/m1   

Space Group Number
229.00   
1
11.00   
13

Facts

Interesting Facts
  • Niobium metal was used to get called Columbium in past.
  • Niobium metal found freely in nature (abundance).
  
  • 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
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals   
Mining, Ores of metals   

History
  
  

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

Discovery
In 1801   
In Between 1940 1941   

Abundance
  
  

Abundance In Universe
2 * 10-7 %   
22
Not Available   

Abundance In Sun
~0.0000004 %   
23
~-9999 %   

Abundance In Meteorites
0.00 %   
35
Not Available   

Abundance In Earth's Crust
0.00 %   
25
Not Available   

Abundance In Oceans
0.00 %   
34
Not Available   

Uses

Uses & Benefits
  • Niobium alloys are used in jet engines and rockets and spacecraft, beams and girders for buildings and oil and gas pipelines.
  • It is used superconducting magnets in particles accelerators, NMR and MRI equipment.
  
  • 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, Ammunition Industry, Electrical Industry, Electronic Industry   
Aerospace Industry, Ammunition Industry   

Medical Uses
NA   
NA   

Other Uses
Alloys   
Alloys   

Biological Properties
  
  

Toxicity
Low Toxic   
Toxic   

Present in Human Body
Yes   
No   

In Blood
0.01 Blood/mg dm-3   
25
0.00 Blood/mg dm-3   
37

In Bone
0.07 p.p.m.   
25
0.00 p.p.m.   
36

Physical Properties

Melting Point
2,468.00 °C   
6
639.50 °C   
99+

Boiling Point
2,468.00 °C   
99+
3,235.00 °C   
24

Appearance
  
  

Physical State
Solid   
Solid   

Color
Gray   
Silvery White   

Luster
Metallic   
NA   

Hardness
  
  

Mohs Hardness
6.00   
6
Not Available   

Brinell Hardness
735.00 MPa   
14
Not Available   

Vickers Hardness
870.00 MPa   
12
Not Available   

Speed of Sound
3,480.00 m/s   
21
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
Nb   
Pu   

Isotopes
  
  

Known Isotopes
17   
22
20   
19

Electronegativity
  
  

Pauling Electronegativity
1.60   
23
1.28   
33

Sanderson Electronegativity
1.42   
16
Not Available   

Allred Rochow Electronegativity
1.23   
25
1.22   
26

Allen Electronegativity
1.41   
31
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.40   
31
2.72   
21

Ionization Energies
  
  

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

2nd Energy Level
1,380.00 kJ/mol   
99+
1,128.00 kJ/mol   
99+

3rd Energy Level
2,416.00 kJ/mol   
99+
2,084.00 kJ/mol   
99+

4th Energy Level
3,700.00 kJ/mol   
99+
3,338.00 kJ/mol   
99+

5th Energy Level
4,877.00 kJ/mol   
36
Not Available   

6th Energy Level
9,847.00 kJ/mol   
11
Not Available   

7th Energy level
12,100.00 kJ/mol   
14
Not Available   

Electrochemical Equivalent
0.69 g/amp-hr   
99+
2.28 g/amp-hr   
22

Electron Work Function
4.30 eV   
18
Not Available   

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

Atomic Properties

Atomic Number
41   
99+
94   
24

Electron Configuration
[Kr] 4d4 5s1   
[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
41   
99+
94   
24

Number of Neutrons
52   
99+
150   
11

Number of Electrons
41   
99+
94   
24

Radius of an Atom
  
  

Atomic Radius
146.00 pm   
35
159.00 pm   
28

Covalent Radius
164.00 pm   
28
187.00 pm   
20

Van der Waals Radius
200.00 pm   
28
200.00 pm   
28

Atomic Weight
92.91 amu   
99+
244.00 amu   
19

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

Adjacent Atomic Numbers
  
  

Previous Element
Zirconium
  
Neptunium
  

Next Element
Molybdenum
  
Americium
  

Valence Electron Potential
104.00 (-eV)   
8
64.90 (-eV)   
21

Lattice Constant
330.04 pm   
99+
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
8.57 g/cm3   
99+
19.82 g/cm3   
13

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

Tensile Strength
330.00 MPa   
12
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
0.00 (Pa)   
27
2.20 (Pa)   
12

Elasticity properties
  
  

Shear Modulus
38.00 GPa   
19
43.00 GPa   
18

Bulk Modulus
170.00 GPa   
10
Not Available   

Young's Modulus
105.00 GPa   
20
96.00 GPa   
21

Poisson Ratio
0.40   
4
0.21   
32

Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
8.57   
37
19.84   
7

Magnetic Ordering
Paramagnetic   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Conductor   
Poor Conductor   

Resistivity
152.00 nΩ·m   
23
1.46 nΩ·m   
99+

Electrical Conductivity
0.07 106/cm Ω   
28
0.01 106/cm Ω   
99+

Electron Affinity
86.10 kJ/mol   
12
Not Available   

Thermal Properties

Specific Heat
0.26 J/(kg K)   
20
0.13 J/(kg K)   
39

Molar Heat Capacity
24.60 J/mol·K   
99+
35.50 J/mol·K   
3

Thermal Conductivity
53.70 W/m·K   
29
6.74 W/m·K   
99+

Critical Temperature
Not Available   
Not Available   

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

Enthalpy
  
  

Enthalpy of Vaporization
696.60 kJ/mol   
4
344.00 kJ/mol   
25

Enthalpy of Fusion
27.20 kJ/mol   
6
2.82 kJ/mol   
99+

Enthalpy of Atomization
745.00 kJ/mol   
4
360.00 kJ/mol   
26

Standard Molar Entropy
36.40 J/mol.K   
99+
Not Available   

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