Plutonium Indium Comparison
Periodic Table
Symbol
Pu
In
Group Number
0
18
13
5
Period Number
7
5
Block
f block
p block
Element Family
Actinide
Post-Transition
CAS Number
7440075
99+
7440746
17
Space Group Name
P121/m1
I4/mmm
Space Group Number
11.00
13
139.00
8
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.
- Luster of Indium is bright in nature.
- Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
Sources
Mining, Ores of metals
Mining, Ores of metals
History
Who Discovered
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan
Ferdinand Reich and Hieronymous Theodor Richter
Discovery
In Between 1940 1941
In 1863
Abundance
Abundance In Universe
Not Available
3 * 10-8 %
28
Abundance In Sun
~-9999 %
~0.0000004 %
23
Abundance In Meteorites
Not Available
0.00 %
99+
Abundance In Earth's Crust
Not Available
0.00 %
99+
Abundance In Oceans
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.
- It is used to produce indium tin oxide (ITO), it is used in manufacturing touch screens, flat screen TVs and solar panels.
- Its nitride, phosphide and antimonide are used in transistors and microchips.
Industrial Uses
Aerospace Industry, Ammunition Industry
Aerospace Industry, Automobile Industry
Medical Uses
NA
Medical Research
Other Uses
Alloys
Alloys, In Nuclear Reactors
Biological Properties
Toxicity
Toxic
Non Toxic
Present in Human Body
No
Yes
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+
156.61 °C
99+
Boiling Point
3,235.00 °C
24
2,000.00 °C
99+
Appearance
Physical State
Solid
Solid
Color
Silvery White
Silvery Gray
Luster
NA
Lustrous
Hardness
Mohs Hardness
Not Available
1.20
20
Brinell Hardness
Not Available
8.80 MPa
99+
Speed of Sound
2,260.00 m/s
99+
1,215.00 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
Pu
In
Isotopes
Known Isotopes
20
19
35
4
Electronegativity
Pauling Electronegativity
1.28
33
1.78
16
Sanderson Electronegativity
Not Available
2.14
8
Allred Rochow Electronegativity
1.22
26
1.49
13
Mulliken-Jaffe Electronegativity
Not Available
1.76
10
Allen Electronegativity
Not Available
1.66
18
Electropositivity
Pauling Electropositivity
2.72
21
2.22
38
Ionization Energies
1st Energy Level
584.70 kJ/mol
99+
558.30 kJ/mol
99+
2nd Energy Level
1,128.00 kJ/mol
99+
1,820.70 kJ/mol
18
3rd Energy Level
2,084.00 kJ/mol
99+
2,704.00 kJ/mol
39
4th Energy Level
3,338.00 kJ/mol
99+
5,210.00 kJ/mol
17
Electrochemical Equivalent
2.28 g/amp-hr
22
1.43 g/amp-hr
99+
Electron Work Function
Not Available
4.12 eV
24
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Atomic Properties
Atomic Number
94
24
49
99+
Electron Configuration
[Rn] 5f6 7s2
[Kr] 4d10 5s2 5p1
Crystal Structure
Monoclinic (MON)
Tetragonal (TETR)
Crystal Lattice
MON-Crystal-Structure-of-Plutonium.jpg#100
TETR-Crystal-Structure-of-Indium.jpg#100
Atom
Number of Protons
94
24
49
99+
Number of Neutrons
150
11
66
99+
Number of Electrons
94
24
49
99+
Radius of an Atom
Atomic Radius
159.00 pm
28
167.00 pm
24
Covalent Radius
187.00 pm
20
142.00 pm
99+
Van der Waals Radius
200.00 pm
28
193.00 pm
31
Atomic Weight
244.00 amu
19
114.82 amu
99+
Atomic Volume
12.32 cm3/mol
99+
15.70 cm3/mol
33
Adjacent Atomic Numbers
Valence Electron Potential
64.90 (-eV)
21
54.00 (-eV)
25
Lattice Constant
618.30 pm
4
325.23 pm
99+
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
7.31 g/cm3
99+
Density When Liquid (at m.p.)
16.63 g/cm3
8
7.02 g/cm3
33
Tensile Strength
Not Available
2.50 MPa
21
Viscosity
Not Available
Not Available
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa)
26
0.01 (Pa)
11
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
11.00 GPa
99+
Poisson Ratio
0.21
32
Not Available
Other Mechanical Properties
Ductile, Malleable
Ductile, Malleable
Magnetic Properties
Magnetic Characteristics
Specific Gravity
19.84
7
7.31
99+
Magnetic Ordering
Paramagnetic
Diamagnetic
Electrical Properties
Electrical Property
Poor Conductor
Conductor
Resistivity
1.46 nΩ·m
99+
83.70 nΩ·m
34
Electrical Conductivity
0.01 106/cm Ω
99+
0.12 106/cm Ω
17
Electron Affinity
Not Available
28.90 kJ/mol
31
Thermal Properties
Specific Heat
0.13 J/(kg K)
39
0.23 J/(kg K)
27
Molar Heat Capacity
35.50 J/mol·K
3
26.74 J/mol·K
25
Thermal Conductivity
6.74 W/m·K
99+
81.80 W/m·K
21
Critical Temperature
Not Available
Not Available
Thermal Expansion
46.70 µm/(m·K)
6
32.10 µm/(m·K)
9
Enthalpy
Enthalpy of Vaporization
344.00 kJ/mol
25
226.40 kJ/mol
40
Enthalpy of Fusion
2.82 kJ/mol
99+
3.28 kJ/mol
99+
Enthalpy of Atomization
360.00 kJ/mol
26
242.70 kJ/mol
99+
Standard Molar Entropy
Not Available
57.80 J/mol.K
22
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