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Plutonium vs Gallium

Plutonium
Gallium
Gallium vs Plutonium


Periodic Table
Symbol
Pu   
Ga   
Group Number
0   
18
13   
5
Period Number
7   
4   
Block
f block   
p block   
Element Family
Actinide   
Post-​Transition   
CAS Number
7440075   
99+
7440553   
32
Space Group Name
P121/m1   
Cmca   
Space Group Number
11.00   
13
64.00   
9
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.
  
  • A gram of Gallium metal can be bought for only three dollars.
  • Gallium metal found in ores of following things Coal, Bauxite, Diaspore, Sphalerite, Germanite and Zinc.
  
Sources
Mining, Ores of metals   
Earth's crust, Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan   
Lecoq de Boisbaudran   
Discovery
In Between 1940 1941   
In 1875   
Abundance
  
  
Abundance In Universe
Not Available   
1 * 10-6 %   
16
Abundance In Sun
~-9999 %   
~0.000004 %   
16
Abundance In Meteorites
Not Available   
0.00 %   
16
Abundance In Earth's Crust
Not Available   
0.00 %   
24
Abundance In Oceans
Not Available   
0.00 %   
22
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.
  
  • Gallium arsenide is a very important component of many semiconductors and led manufacturing.
  • Gallium nitride is also know as a semiconductor and it is used in Blu-ray technology, mobile smartphones and LED.
  
Industrial Uses
Aerospace Industry, Ammunition Industry   
Electrical Industry, Electronic Industry   
Medical Uses
NA   
Surgical Instruments Manufacturing   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Toxic   
Non Toxic   
Present in Human Body
No   
Yes   
In Blood
0.00 Blood/mg dm-3   
37
0.08 Blood/mg dm-3   
13
In Bone
0.00 p.p.m.   
36
Not Available   
Physical Properties
Melting Point
639.50 °C   
99+
29.78 °C   
99+
Boiling Point
3,235.00 °C   
24
2,403.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery White   
Luster
NA   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
1.50   
18
Brinell Hardness
Not Available   
56.80 MPa   
99+
Speed of Sound
2,260.00 m/s   
99+
2,740.00 m/s   
31
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
Pu   
Ga   
Isotopes
  
  
Known Isotopes
20   
19
24   
15
Electronegativity
  
  
Pauling Electronegativity
1.28   
33
1.81   
15
Sanderson Electronegativity
Not Available   
2.42   
2
Allred Rochow Electronegativity
1.22   
26
1.82   
1
Mulliken-Jaffe Electronegativity
Not Available   
2.01   
5
Allen Electronegativity
Not Available   
1.76   
14
Electropositivity
  
  
Pauling Electropositivity
2.72   
21
2.19   
39
Ionization Energies
  
  
1st Energy Level
584.70 kJ/mol   
99+
578.80 kJ/mol   
99+
2nd Energy Level
1,128.00 kJ/mol   
99+
1,979.30 kJ/mol   
13
3rd Energy Level
2,084.00 kJ/mol   
99+
2,963.00 kJ/mol   
28
4th Energy Level
3,338.00 kJ/mol   
99+
6,180.00 kJ/mol   
8
Electrochemical Equivalent
2.28 g/amp-hr   
22
0.87 g/amp-hr   
99+
Electron Work Function
Not Available   
4.20 eV   
23
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes   
Atomic Properties
Atomic Number
94   
24
31   
99+
Electron Configuration
[Rn] 5f6 7s2   
[Ar] 3d10 4s2 4p1   
Crystal Structure
Monoclinic (MON)   
Orthorhombic (ORTH)   
Crystal Lattice
MON-Crystal-Structure-of-Plutonium.jpg#100   
ORTH-Crystal-Structure-of-Gallium.jpg#100   
Atom
  
  
Number of Protons
94   
24
31   
99+
Number of Neutrons
150   
11
39   
99+
Number of Electrons
94   
24
31   
99+
Radius of an Atom
  
  
Atomic Radius
159.00 pm   
28
135.00 pm   
99+
Covalent Radius
187.00 pm   
20
122.00 pm   
99+
Van der Waals Radius
200.00 pm   
28
187.00 pm   
32
Atomic Weight
244.00 amu   
19
69.72 amu   
99+
Atomic Volume
12.32 cm3/mol   
99+
11.80 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Neptunium
  
Zinc
  
Next Element
Americium
  
Rubidium
  
Valence Electron Potential
64.90 (-eV)   
21
69.70 (-eV)   
19
Lattice Constant
618.30 pm   
4
451.97 pm   
18
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
5.91 g/cm3   
99+
Density When Liquid (at m.p.)
16.63 g/cm3   
8
6.10 g/cm3   
99+
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
26
0.00 (Pa)   
15
Vapor Pressure at 2000 K
2.20 (Pa)   
12
Not Available   
Elasticity properties
  
  
Shear Modulus
43.00 GPa   
18
Not Available   
Young's Modulus
96.00 GPa   
21
9.80 GPa   
99+
Poisson Ratio
0.21   
32
0.47   
1
Other Mechanical Properties
Ductile, Malleable   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
19.84   
7
5.91   
99+
Magnetic Ordering
Paramagnetic   
Diamagnetic   
Electrical Properties
  
  
Electrical Property
Poor Conductor   
Semiconductor   
Resistivity
1.46 nΩ·m   
99+
270.00 nΩ·m   
15
Electrical Conductivity
0.01 106/cm Ω   
99+
0.07 106/cm Ω   
29
Electron Affinity
Not Available   
28.90 kJ/mol   
31
Thermal Properties
Specific Heat
0.13 J/(kg K)   
39
0.37 J/(kg K)   
16
Molar Heat Capacity
35.50 J/mol·K   
3
25.86 J/mol·K   
35
Thermal Conductivity
6.74 W/m·K   
99+
40.60 W/m·K   
34
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
46.70 µm/(m·K)   
6
18.00 µm/(m·K)   
24
Enthalpy
  
  
Enthalpy of Vaporization
344.00 kJ/mol   
25
256.10 kJ/mol   
36
Enthalpy of Fusion
2.82 kJ/mol   
99+
5.59 kJ/mol   
99+
Enthalpy of Atomization
360.00 kJ/mol   
26
276.10 kJ/mol   
39
Standard Molar Entropy
Not Available   
40.80 J/mol.K   
38
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