Talk:Atomic nucleus

20% change from a constant
article states:


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 * The stable nucleus has approximately a constant density and therefore the nuclear radius R can be approximated by the following formula,


 * $$R = r_0 A^{1/3} \,$$

where A = Atomic mass number (the number of protons Z, plus the number of neutrons N) and r0 = 1.25 fm = 1.25 × 10−15 m. In this equation,, but this is less than 20% change from a constant.
 * }

I believe I can explain why the fudge factor varies by 20% (from 1 to 1.35)

https://upload.wikimedia.org/wikipedia/commons/d/d1/Uranium_atom.svg



Just granpa (talk) 02:21, 18 January 2017 (UTC)
 * That sounds like WP:original research, is this publiched clearly somehwhere on a reliable source? Graeme Bartlett (talk) 01:56, 20 July 2018 (UTC)