Plutonium Element Properties

Plutonium

f93
Np
Neptunium
f94
Pu
Plutonium
f95
Am
Americium
General
Name(Plutonium)
Symbol(Pu)
Number(94)
Group Number(NA)
Group(Rare Earth, Actinides)
Block(f)
Density(19.8 g/cm3)
Atomic Weight(244 g/mol)
Atomic Volume(12.32 cm3/mol)
Discover(1940)


States
State(Solid)
Melting Point(912.5 K)
Boiling Point(3505 K)
Triple Point(Nil)
Critical Point(Nil)
Heat of Fusion(2.82 kJ/mol)
Heat of Vaporization(333.5 kJ/mol)


Energies
First Ionization Energy(585 kJ/mole)
Second Ionization Energy(Nil)
Third Ionization Energy(Nil)
Electronegativity(1.3)
Electron Affinity(Nil)
Specific Heat(0.13 J/gK)
Heat Atomization(352 kJ/mole atoms)


Oxidation and Electrons
Shells(2,8,18,32,24,8,2)
Electron Configuration([Rn] 5f6 7s2)
Minimum Oxidation Number(0)
Maximum Oxidation Number(7)
Minimum Common Oxidation Number(0)
Maximum Common Oxidation Number(4)


Appearance and Characteristics
Crystal Structure(monoclinic)
Characteristics(Radioactive)
Color(silvery)
Uses(weapon fuel, pacemakers)
Hardness(Nil)
Toxicity(None)


Reactions
Reaction with Air(None)
Reaction with 6M HCl(None)
Reaction with 15M HNO3(passivated)
Reaction with 6M NaOH(None)


Other Forms
Number of Isotopes(0)
Hydride(PuH2 PuH3)
Oxide(PuO Pu2O3 PuO2)
Chloride(PuCl2 PuCl3)


Radius
Atomic Radius(159 pm)
Ionic Radius (1+ ion)(Nil)
Ionic Radius (1- ion)(Nil)
Ionic Radius (2+ ion)(Nil)
Ionic Radius (2- ion)(Nil)
Ionic Radius (3+ ion)(114 pm)


Conductivity
Thermal Conductivity(6.3 J/m-sec-deg)
Electrical Conductivity(7.072 1/mohm-cm)
Polarizability(24.5 A3)


Abundance
Source(Synthetic)
Relation Abundance Solar System(Nil)
Abundance Earths Crust(Nil)


f93
Np
Neptunium
f94
Pu
Plutonium
f95
Am
Americium

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