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The Mineralogy of Plutonium

About Plutonium
Trace amounts of plutonium are found in some uranium ores of ratios of a few parts per trillion, mostly the isotope 239Pu but 238Pu, 240Pu and 244Pu have also been detected in much smaller amounts. No mineral species with significant plutonium have been described.
General Properties
Atomic Number:94
Standard atomic weight (Ar):[244]
Electron configuration:[Rn] 5f6 7s2
Atomic Properties
Electronegativity (Pauling scale):1.28
Atomic Radius:159 pm
Ionic Radius:100 pm (+3)
1st Ionization energy:585 kJ/mol
Oxidation States:3,4,5,6,7
Physical Properties
Standard State:solid
Bonding Type:metallic
Melting Point:913 K
Boiling Point:3503 K
Density:19.82 g/cm3
Main isotopes of Plutonium
Isotope% in NatureHalf LifeDecay typeDecay product
236Putrace87.74ySpontaneous fission
239Putrace2.41×104ySpontaneous fission
240Putrace6.5×103ySpontaneous fission
Spontaneous fission
242Pusynthetic3.73×105ySpontaneous fission
Spontaneous fission
Main ions of Plutonium
NameIonExample minerals
Other Information
Year Discovered:1940–1
Discovered By:
Glenn T. Seaborg
Edwin Mattison McMillan

Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan
Named For:
dwarf planet Pluto
CPK color coding:#006BFF
External Links:WikipediaWebElementsLos Alamos National LaboratoryTheodore Gray's
Simple Compounds
Nitridesplutonium nitridePuN+3
Sulfidesplutonium sulphidePuS+2
plutonium disulphidePuS2+4
diplutonium trisulphidePu2S3+3
Selenidesplutonium selenidePuSe+2
Hydridesplutonium dihydridePuH2+2
plutonium trihydridePuH3+3
Hydroxidesplutonium hydroxidePu(OH)3+3
Fluoridesplutonium trifluoridePuF3+3
plutonium tetrafluoridePuF4+4
plutonium hexafluoridePuF6+6
Chloridesplutonium trichloridePuCl3+3
Bromidesplutonium tribromidePuBr3+3
Iodidesplutonium triiodidePuI3+3
Oxidesplutonium oxidePuO+2
plutonium dioxidePuO2+4
diplutonium trioxidePu2O3+3
Carbonatesplutonium (VI) carbonate oxidePuO2CO3+6
Geochemistry of Plutonium
Goldschmidt classification:Lithophile
Periodic Table
1H 2He
3Li 4Be 5B 6C 7N 8O 9F 10Ne
11Na 12Mg 13Al 14Si 15P 16S 17Cl 18Ar
19K 20Ca 21Sc 22Ti 23V 24Cr 25Mn 26Fe 27Co 28Ni 29Cu 30Zn 31Ga 32Ge 33As 34Se 35Br 36Kr
37Rb 38Sr 39Y 40Zr 41Nb 42Mo 43Tc 44Ru 45Rh 46Pd 47Ag 48Cd 49In 50Sn 51Sb 52Te 53I 54Xe
55Cs 56Ba 57La 72Hf 73Ta 74W 75Re 76Os 77Ir 78Pt 79Au 80Hg 81Tl 82Pb 83Bi 84Po 85At 86Rn
87Fr 88Ra 89Ac 104Rd 105Db 106Sg 107Bh 108Hs 109Mt 110Ds 111Rg 112Cn 113Nh 114Fl 115Mc 116Lv 117Ts 118Og
58Ce 59Pr 60Nd 61Pm 62Sm 63Eu 64Gd 65Tb 66Dy 67Ho 68Er 69Tm 70Yb 71Lu
90Th 91Pa 92U 93Np 94Pu 95Am 96Cm 97Bk 98Cf 99Es 100Fm 101Md 102No 103Lr
Default Categories CPK Electronegativity Atomic Radius Lowest Oxidation Highest Oxidation Crustal Abundance Goldschmidt Mineral Species
Neptunium << Plutonium >> Americium

Spotted a mistake/omission? - These pages are a work in progress, so please send all comments/corrections to Thank you.

Constants and physical property data from:

David R. Lide (ed.), CRC Handbook of Chemistry and Physics, 85th Edition. CRC Press. Boca Raton, Florida (2005).
Kaye and Laby Tables of Physical & Chemical Constants (2005). Section 3.1.3, Abundances of the elements
A. Earnshaw, N. Greenwood, Chemistry of the Elements, 2nd edition, Butterworth-Heinemann, (1997)
Thomas J. Ahrens (ed.), Global Earth Physics : A Handbook of Physical Constants, American Geophysical Union (1995)
L.B. Railsback, An Earth Scientist's Periodic Table of the Elements and Their Ions : Geology 31:9 p737-740 (2003)
Emsley, J. Nature's Building Blocks: An A-Z Guide to the Elements. New York: Oxford University Press (2001)
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