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Old January 1 2013, 06:23 PM   #14
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Re: If hydrogen wasn't the lightest element?

^You can make up all sorts of numbers that have no meaning as actual physical quantities, which is what we're talking about here. It's easy to say that 7 minus 12 equals -5, but if there are only 7 flowers in a garden, you can't pick 12 of them. If you're talking about the number of nucleons in an atom of a chemical element, then there is no meaningful number between 0 and 1. Sure, theoretically you can have something that's made of quarks rather than nucleons, as discussed above, but then it's not a chemical element, and the question is about what the lightest possible element is.
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