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Gadolinium vs Plutonium

Gadolinium
Plutonium
Plutonium vs Gadolinium


Periodic Table
Symbol
Gd  
Pu  
Group Number
0  
18
0  
18
Period Number
6  
7  
Block
f block  
f block  
Element Family
Lanthanide  
Actinide  
CAS Number
7440542  
33
7440075  
99+
Space Group Name
P63/mmc  
P121/m1  
Space Group Number
194.00  
7
11.00  
16
Facts
Interesting Facts
  • Gadolinium is not found free in nature, hence it is not a native metal.
  • Gadolinium metal found in minerals like Monazite and Bastnaesite.
  
  • 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, Mining  
Mining, Ores of metals  
History
  
  
Who Discovered
Jean Charles Galissard de Marignac  
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan  
Discovery
In 1880  
In Between 1940 1941  
Abundance
  
  
Abundance In Universe
0.00 %  
23
0.00 %  
40
Abundance In Sun
0.00 %  
25
0.00 %  
21
Abundance In Meteorites
0.00 %  
34
-  
Abundance In Earth's Crust
0.00 %  
30
0.00 %  
99+
Abundance In Oceans
0.00 %  
38
-  
Abundance In Humans
0.00 %  
24
0.00 %  
24
Uses
Uses & Benefits
  • Its alloys are also used in making Magnets, electronic components and Data storage devices.
  • Compound of Gadolinium metal are used in magnetic resonance imaging (MRI).
  
  • 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, Electrical Industry, Electronic Industry  
Aerospace Industry, Ammunition Industry  
Medical Uses
-  
-  
Other Uses
Alloys  
Alloys  
Biological Properties
  
  
Toxicity
Non Toxic  
Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
1,311.00 °C  
35
639.50 °C  
99+
Boiling Point
3,233.00 °C  
26
3,235.00 °C  
25
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silvery White  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
4.50  
10
4.00  
11
Brinell Hardness
700.00 MPa  
17
627.00 MPa  
22
Vickers Hardness
510.00 MPa  
34
617.00 MPa  
26
Speed of Sound
2,680.00 m/s  
99+
2,260.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.97  
16
1.90  
18
Reflectivity
59.00 %  
24
68.00 %  
15
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Gd  
Pu  
Isotopes
  
  
Known Isotopes
26  
13
20  
19
Electronegativity
  
  
Pauling Electronegativity
1.20  
40
1.28  
34
Sanderson Electronegativity
1.20  
32
1.28  
26
Allred Rochow Electronegativity
1.11  
30
1.22  
27
Mulliken-Jaffe Electronegativity
1.20  
39
1.30  
33
Allen Electronegativity
1.20  
99+
1.28  
99+
Electropositivity
  
  
Pauling Electropositivity
2.80  
15
2.72  
21
Ionization Energies
  
  
1st Energy Level
593.40 kJ/mol  
99+
584.70 kJ/mol  
99+
2nd Energy Level
1,170.00 kJ/mol  
99+
1,128.00 kJ/mol  
99+
3rd Energy Level
1,990.00 kJ/mol  
99+
2,084.00 kJ/mol  
99+
4th Energy Level
4,250.00 kJ/mol  
40
3,338.00 kJ/mol  
99+
5th Energy Level
5,930.00 kJ/mol  
99+
5,847.00 kJ/mol  
99+
6th Energy Level
5,930.00 kJ/mol  
99+
5,847.00 kJ/mol  
99+
7th Energy level
5,930.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+
8th Energy Level
5,930.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+
9th Energy Level
5,930.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+
10th Energy Level
5,930.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+
11th Energy Level
5,930.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+
12th Energy Level
59,300.00 kJ/mol  
17
58,400.00 kJ/mol  
18
13th Energy Level
5,930.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+
14th Energy Level
5,930.00 kJ/mol  
36
5,840.00 kJ/mol  
39
15th Energy Level
59,300.00 kJ/mol  
99+
58,400.00 kJ/mol  
99+
16th Energy Level
59,300.00 kJ/mol  
37
58,400.00 kJ/mol  
40
17th Energy Level
594.10 kJ/mol  
99+
584.70 kJ/mol  
99+
18th Energy Level
5,930.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+
19th Energy Level
593.40 kJ/mol  
99+
584.70 kJ/mol  
99+
20th Energy Level
594.00 kJ/mol  
99+
584.00 kJ/mol  
99+
21st Energy Level
593.40 kJ/mol  
99+
584.70 kJ/mol  
99+
22nd Energy Level
593.00 kJ/mol  
99+
584.00 kJ/mol  
99+
23rd Energy Level
593.40 kJ/mol  
99+
584.70 kJ/mol  
99+
24th Energy Level
593.40 kJ/mol  
99+
584.70 kJ/mol  
99+
25th Energy Level
593.00 kJ/mol  
99+
584.70 kJ/mol  
99+
26th Energy Level
593.40 kJ/mol  
99+
584.70 kJ/mol  
99+
27th Energy Level
593.40 kJ/mol  
99+
584.70 kJ/mol  
99+
28th Energy Level
593.40 kJ/mol  
99+
584.70 kJ/mol  
99+
29th Energy Level
593.40 kJ/mol  
99+
584.70 kJ/mol  
99+
30th Energy Level
593.40 kJ/mol  
99+
584.00 kJ/mol  
99+
Electrochemical Equivalent
1.96 g/amp-hr  
36
2.28 g/amp-hr  
26
Electron Work Function
3.10 eV  
99+
3.88 eV  
38
Other Chemical Properties
Corrosion, Flammable, Ionization, Radioactive Isotopes  
Corrosion, Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
64  
99+
94  
24
Electron Configuration
[Xe] 4f7 5d1 6s2  
[Rn] 5f6 7s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Monoclinic (MON)  
Crystal Lattice
HCP-Crystal-Structure-of-Gadolinium.jpg#100  
MON-Crystal-Structure-of-Plutonium.jpg#100  
Atom
  
  
Number of Protons
64  
99+
94  
24
Number of Neutrons
93  
38
150  
12
Number of Electrons
64  
99+
94  
24
Radius of an Atom
  
  
Atomic Radius
180.00 pm  
16
159.00 pm  
30
Covalent Radius
196.00 pm  
14
187.00 pm  
20
Van der Waals Radius
237.00 pm  
19
200.00 pm  
35
Atomic Weight
47.87 amu  
99+
244.00 amu  
19
Atomic Volume
19.90 cm3/mol  
32
12.32 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Europium
  
Neptunium
  
Next Element
Terbium
  
Americium
  
Valence Electron Potential
46.10 (-eV)  
35
64.90 (-eV)  
21
Lattice Constant
363.60 pm  
35
618.30 pm  
4
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.59  
29
1.74  
6
Mechanical
Density
  
  
Density At Room Temperature
7.90 g/cm3  
99+
19.82 g/cm3  
13
Density When Liquid (at m.p.)
7.40 g/cm3  
99+
16.63 g/cm3  
18
Tensile Strength
158.00 MPa  
23
40.00 MPa  
99+
Viscosity
0.00  
23
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
32
0.00 (Pa)  
28
Vapor Pressure at 2000 K
7.39 (Pa)  
9
2.20 (Pa)  
12
Elasticity properties
  
  
Shear Modulus
21.80 GPa  
99+
43.00 GPa  
18
Bulk Modulus
37.90 GPa  
99+
100.00 GPa  
16
Young's Modulus
54.80 GPa  
38
96.00 GPa  
23
Poisson Ratio
0.26  
23
0.21  
33
Other Mechanical Properties
Ductile, Malleable  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
7.90  
99+
19.84  
16
Magnetic Ordering
Ferromagnetic  
Paramagnetic  
Permeability
0.00 H/m  
12
0.00 H/m  
16
Susceptibility
0.00  
4
0.00  
21
Electrical Properties
  
  
Electrical Property
Conductor  
Poor Conductor  
Resistivity
1.31 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  
26
0.60 kJ/mol  
99+
Thermal
Specific Heat
0.23 J/(kg K)  
27
0.13 J/(kg K)  
40
Molar Heat Capacity
37.03 J/mol·K  
3
35.50 J/mol·K  
4
Thermal Conductivity
10.60 W/m·K  
99+
6.74 W/m·K  
99+
Critical Temperature
1,585.00 K  
38
913.00 K  
99+
Thermal Expansion
9.40 µm/(m·K)  
99+
46.70 µm/(m·K)  
6
Enthalpy
  
  
Enthalpy of Vaporization
359.40 kJ/mol  
30
344.00 kJ/mol  
36
Enthalpy of Fusion
10.05 kJ/mol  
99+
2.82 kJ/mol  
99+
Enthalpy of Atomization
352.00 kJ/mol  
36
360.00 kJ/mol  
35
Standard Molar Entropy
68.10 J/mol.K  
16
37.10 J/mol.K  
99+
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