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mindwalker_i

(4,407 posts)
13. I remembered to look at my shower curtain this morning
Tue Feb 26, 2013, 08:46 PM
Feb 2013

Which has a periodic table on it. Nickel has an (average) atomic weight of 58.7, so my guess is that most nickel has 59 nucleons. If that's true, then adding another neutron would hake it 60, which is probably not as stable.

Looking at the 76,000 year half-life you have above, that's really weird. Uranium has a half life in the billions of years and there's still a bunch around here. I would think that with a half-life of 76,000 years, there wouldn't be much left on the earth. I'll look that up later.

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