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Plutonium Properties
Plutonium


Physical
0
Melting Point
639.50 °C 63
Boiling Point
3,235.00 °C 24
Hardness
0
Mohs Hardness
Not Available 0
Brinell Hardness
Not Available 0
Vickers Hardness
Not Available 0
Optical Properties
0
Refractive Index
Not Available 0
Reflectivity
Not Available 0
Speed of Sound
2,260.00 m/s 41
Allotropes
No 0
α Allotropes
Not Available 0
β Allotropes
Not Available 0
γ Allotropes
Not Available 0
Chemical
0
Chemical Formula
Pu 0
Isotopes
0
Known Isotopes
20 19
Electronegativity
0
Pauling Electronegativity
1.28 33
Sanderson Electronegativity
Not Available 0
Allred Rochow Electronegativity
1.22 26
Mulliken-Jaffe Electronegativity
Not Available 0
Allen Electronegativity
Not Available 0
Electropositivity
0
Pauling Electropositivity
2.72 21
Ionization Energies
0
1st Energy Level
584.70 kJ/mol 61
2nd Energy Level
1,128.00 kJ/mol 72
3rd Energy Level
2,084.00 kJ/mol 71
Electrochemical Equivalent
2.28 g/amp-hr 22
Electron Work Function
Not Available 0
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity 0
Mechanical
0
Density
0
Density At Room Temperature
19.82 g/cm3 13
Density When Liquid (at m.p.)
16.63 g/cm3 8
Vapor Pressure
0
Vapor Pressure at 1000 K
0.00 (Pa) 26
Vapor Pressure at 2000 K
2.20 (Pa) 12
Tensile Strength
Not Available 0
Viscosity
Not Available 0
Elasticity properties
0
Shear Modulus
43.00 GPa 18
Bulk Modulus
Not Available 0
Young's Modulus
96.00 GPa 21
Poisson Ratio
0.21 32
Other Mechanical Properties
Ductile, Malleable 0
Periodic Table
0
Symbol
Pu 0
Group Number
0 18
Period Number
7 1
Block
f block 0
Element Family
Actinide 0
Atomic
0
Atomic Number
94 24
Atomic Weight
244.00 amu 19
Atomic Volume
12.32 cm3/mol 41
Electron Configuration
[Rn] 5f6 7s2 0
Valence Electron Potential
64.90 (-eV) 21
Atom
0
Number of Protons
94 24
Number of Neutrons
150 11
Number of Electrons
94 24
Crystal Structure
Monoclinic (MON) 0
Crystal Lattice
MON-Crystal-Structure-of-Plutonium.jpg#100 0
Radius of an Atom
0
Atomic Radius
159.00 pm 28
Covalent Radius
187.00 pm 20
Van der Waals Radius
200.00 pm 28
Lattice Constant
618.30 pm 4
Lattice Angles
NA 0
Lattice C/A Ratio
Not Available 0
Adjacent Atomic Numbers
0
Next Element
55 0
Previous Element
54 0
Magnetic
0
Electrical Properties
0
Resistivity
1.46 nΩ·m 54
Electrical Conductivity
0.01 106/cm Ω 64
Electron Affinity
Not Available 0
Electrical Property
Poor Conductor 0
Magnetic Characteristics
0
Specific Gravity
19.84 7
Magnetic Ordering
Paramagnetic 0
Permeability
Not Available 0
Susceptibility
Not Available 0
Thermal
0
Specific Heat
0.13 J/(kg K) 39
Thermal Conductivity
6.74 W/m·K 69
Critical Temperature
Not Available 0
Molar Heat Capacity
35.50 J/mol·K 3
Thermal Expansion
46.70 µm/(m·K) 6
Standard Molar Entropy
Not Available 0
Enthalpy
0
Enthalpy of Vaporization
344.00 kJ/mol 25
Enthalpy of Fusion
2.82 kJ/mol 58
Enthalpy of Atomization
360.00 kJ/mol 26
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