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The Mineralogy of Radon

About Radon
Radon is a noble gas and as such does not form any natural minerals. It is found naturally as a radioactive decay product in many radioactive minerals however.
General Properties
Symbol:Rn
Atomic Number:86
Standard atomic weight (Ar):[222]
Electron configuration:[Xe] 4f14 5d10 6s2 6p6
Photos
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Emission spectrum of radon
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Atomic Properties
Atomic Radius:120 pm
1st Ionization energy:1037 kJ/mol
Oxidation States:2
Physical Properties
Standard State:gas
Bonding Type:atomic
Melting Point:202 K
Boiling Point:211 K
Density:0.01 g/cm3
Metal/Non-Metal:noble gas
Main isotopes of Radon
Isotope% in NatureHalf LifeDecay typeDecay product
210Rnsynthetic2.4hα206Po
211Rnsynthetic14.6hε211At
α207Po
222Rntrace3.8235dα218Po
224Rnsynthetic1.8hβ−224Fr
Main ions of Radon
NameIonExample minerals
[RnF]+
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Other Information
Year Discovered:1898
Discovered By:
Friedrich Ernst Dorn
Year Isolated:1910
Isolated By:
Sir William Ramsay
Robert H. Whytlaw-Gray


William Ramsay and Robert Whytlaw-Gray
Named For:Contraction of Radium emanation
CPK color coding:#428296
External Links:WikipediaWebElementsLos Alamos National LaboratoryTheodore Gray's PeriodicTable.com
Geochemistry of Radon
Goldschmidt classification:Atmophile
Elemental Abundance for Radon
Crust (CRC Handbook)4 x 10-19mass fraction, kg/kg
Sea Water (CRC Handbook)6 x 10-22mass per volume fraction, kg/L
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
Astatine << Radon >> Francium


Spotted a mistake/omission? - These pages are a work in progress, so please send all comments/corrections to jolyon@mindat.org. 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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