WikiAnswers - What is U-238
Science question: What is U-238? An Isotope of Uranium.
wiki.answers.com/Q/What_is_U-238

uranium 238: Definition from Answers.com
Uranium-238 (U-238) is the most common isotope of uranium found in nature. ...
Reprocessed uranium is also mainly U-238, but contains significant quantities
...
www.answers.com/topic/uranium-238

WikiAnswers - This great-great-great-granddaughter of U-238 is a ...
The Great Gatsby question: This great-great-great-granddaughter of U-238 is a
dense noble and silent killer but do not be afreaid On the other hand you may
...
wiki.answers.com/Q/ This_great-great-great-granddaughter_of_U-238_is_a_dense_noble_and_silent_kill...

Nuclear fuel cycle: Information from Answers.com
Uranium in nature consists primarily of two isotopes, U-238 and U-235. ...
Naturally occurring uranium consists of approximately 99.28% U-238 and 0.71% ...
www.answers.com/topic/nuclear-fuel-cycle

WikiAnswers - The element uranium has U-238 and U-235 as its two ...
Chemistry question: The element uranium has U-238 and U-235 as its two naturally
occuring isotopes. What is the average atomic mass of uranium?
wiki.answers.com/Q/ The_element_uranium_has_U-238_and_U-235_as_its_two_naturally_occuring_isotopes...

fissile: Definition from Answers.com
Fast fission of U-238 in the secondary stage of a nuclear weapon contributes ...
Examples of these elements are U-238 and thorium-232. On the other hand, ...
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WikiAnswers - Why is U-238 used for the purpose of dating rocks
Physics question: Why is U-238 used for the purpose of dating rocks? Uranium-238
decays through a well-known process into lead-206.
wiki.answers.com/Q/ Why_is_U-238_used_for_the_purpose_of_dating_rocks

Doppler broadening: Definition from Answers.com
U-238, which forms the bulk of the uranium in the reactor, has very distinct ...
As the random motion of the U-238 atoms increases though, the more likely ...
www.answers.com/topic/doppler-broadening

WikiAnswers - Number of electrons for U-238 U-235 U-234
Chemistry question: Number of electrons for U-238 U-235 U-234? Assuming a
neutral atom all isotopes of uranium have 92 electrons.
wiki.answers.com/Q/ Number_of_electrons_for_U-238_U-235_U-234

plutonium: Definition from Answers.com
Pu-240 is not fissile, but is fertile material like U-238. .... Pu-238 is
synthesized by bombarding U-238 with deuterons (D, the nuclei of heavy hydrogen)
...
www.answers.com/topic/plutonium