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Terbium Plutonium Comparison

Terbium
Plutonium
Plutonium Terbium comparison


Periodic Table
Symbol
Tb   
Pu   
Group Number
Not Available   
0   
18
Period Number
6   
7   
Block
f block   
f block   
Element Family
Lanthanide   
Actinide   
CAS Number
7440279   
99+
7440075   
99+
Space Group Name
P63/mmc   
P121/m1   
Space Group Number
194.00   
5
11.00   
13
Facts
Interesting Facts
  • At times Terbium metal acts same as Calcium.
  • Terbium metal closely similar to Lanthanum metal.
  
  • 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
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals   
Mining, Ores of metals   
History
  
  
Who Discovered
Carl Gustaf Mosander   
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan   
Discovery
In 1842   
In Between 1940 1941   
Abundance
  
  
Abundance In Universe
5 * 10-8 %   
27
Not Available   
Abundance In Sun
~0.00000001 %   
29
~-9999 %   
Abundance In Meteorites
0.00 %   
99+
Not Available   
Abundance In Earth's Crust
0.00 %   
40
Not Available   
Abundance In Oceans
0.00 %   
99+
Not Available   
Uses
Uses & Benefits
  • Terbium salts are used in optical devices like laser devices.
  • Terbium’s alloy lengthens and shortens the magnetic field and this effect forms loudspeaker.
  
  • 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
Electronic Industry   
Aerospace Industry, Ammunition Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Low Toxic   
Toxic   
Present in Human Body
No   
No   
In Blood
Not Available   
0.00 Blood/mg dm-3   
37
In Bone
Not Available   
0.00 p.p.m.   
36
Physical Properties
Melting Point
1,356.00 °C   
33
639.50 °C   
99+
Boiling Point
3,123.00 °C   
29
3,235.00 °C   
24
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery White   
Luster
Metallic   
NA   
Hardness
  
  
Brinell Hardness
677.00 MPa   
17
Not Available   
Vickers Hardness
863.00 MPa   
13
Not Available   
Speed of Sound
2,620.00 m/s   
35
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
Tb   
Pu   
Isotopes
  
  
Known Isotopes
26   
13
20   
19
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.28   
33
Allred Rochow Electronegativity
1.10   
30
1.22   
26
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.72   
21
Ionization Energies
  
  
1st Energy Level
603.40 kJ/mol   
99+
584.70 kJ/mol   
99+
2nd Energy Level
1,174.80 kJ/mol   
99+
1,128.00 kJ/mol   
99+
3rd Energy Level
2,417.00 kJ/mol   
99+
2,084.00 kJ/mol   
99+
4th Energy Level
4,203.00 kJ/mol   
31
3,338.00 kJ/mol   
99+
Electrochemical Equivalent
1.98 g/amp-hr   
31
2.28 g/amp-hr   
22
Electron Work Function
3.00 eV   
36
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
65   
99+
94   
24
Electron Configuration
[Xe] 4f9 6s2   
[Rn] 5f6 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Monoclinic (MON)   
Crystal Lattice
HCP-Crystal-Structure-of-Terbium.jpg#100   
MON-Crystal-Structure-of-Plutonium.jpg#100   
Atom
  
  
Number of Protons
65   
99+
94   
24
Number of Neutrons
94   
36
150   
11
Number of Electrons
65   
99+
94   
24
Radius of an Atom
  
  
Atomic Radius
177.00 pm   
17
159.00 pm   
28
Covalent Radius
194.00 pm   
16
187.00 pm   
20
Van der Waals Radius
221.00 pm   
22
200.00 pm   
28
Atomic Weight
158.93 amu   
99+
244.00 amu   
19
Atomic Volume
19.20 cm3/mol   
22
12.32 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Gadolinium
  
Neptunium
  
Next Element
Dysprosium
  
Americium
  
Valence Electron Potential
46.80 (-eV)   
33
64.90 (-eV)   
21
Lattice Constant
360.10 pm   
36
618.30 pm   
4
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.58   
13
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
8.23 g/cm3   
99+
19.82 g/cm3   
13
Density When Liquid (at m.p.)
7.65 g/cm3   
30
16.63 g/cm3   
8
Tensile Strength
60.00 MPa   
17
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
29
0.00 (Pa)   
26
Vapor Pressure at 2000 K
12.50 (Pa)   
8
2.20 (Pa)   
12
Elasticity properties
  
  
Shear Modulus
22.10 GPa   
32
43.00 GPa   
18
Bulk Modulus
38.70 GPa   
33
Not Available   
Young's Modulus
55.70 GPa   
34
96.00 GPa   
21
Poisson Ratio
0.26   
21
0.21   
32
Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
8.23   
39
19.84   
7
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Poor Conductor   
Resistivity
1.15 nΩ·m   
99+
1.46 nΩ·m   
99+
Electrical Conductivity
0.01 106/cm Ω   
99+
0.01 106/cm Ω   
99+
Electron Affinity
50.00 kJ/mol   
21
Not Available   
Thermal Properties
Specific Heat
0.18 J/(kg K)   
33
0.13 J/(kg K)   
39
Molar Heat Capacity
28.91 J/mol·K   
9
35.50 J/mol·K   
3
Thermal Conductivity
11.10 W/m·K   
99+
6.74 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
10.30 µm/(m·K)   
38
46.70 µm/(m·K)   
6
Enthalpy
  
  
Enthalpy of Vaporization
330.90 kJ/mol   
26
344.00 kJ/mol   
25
Enthalpy of Fusion
10.80 kJ/mol   
34
2.82 kJ/mol   
99+
Enthalpy of Atomization
314.00 kJ/mol   
33
360.00 kJ/mol   
26
Standard Molar Entropy
73.20 J/mol.K   
10
Not Available   
Summary >>
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