File talk:Decay Chain(4n+1, Neptunium Series).svg
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Latest comment: 12 years ago by 24.57.202.175 in topic Half-life of Pb 209
Half-life of At-217 edit
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Surely the half-life of At-217 is 32 milliseconds, not 32 seconds? 85.226.206.18 (talk) 06:53, 29 November 2011 (UTC)
Half-life of Pb 209 edit
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The graphic misrepresents the half-life of Pb 209, it should be 3.25 hours not minutes. — Preceding unsigned comment added by 24.57.202.175 (talk) 22:36, 16 December 2011 (UTC)
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