Talk:Isotopes of californium

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²⁵⁴Cf and ²⁵⁶Cf are potentially capable of double beta minus decay, although the estimated half-life should be very long. 129.104.241.214 (talk) 11:35, 28 November 2023 (UTC)[reply]

In the table of isotopes, i removed the wikicode "nbsp" (no-break space) from between some combinations of number and unit (i am preceding cautiously to make sure i do not create awkward line-breaks). I feel that the wikicode "nbsp" looks ugly (wikicode, i think, should be concise), and is unnecessary when there is unlikely to be a line-break anyway; such as at or near the beginning of a line. Okay? Solomonfromfinland (talk) 18:51, 2 May 2024 (UTC)[reply]

The nuclide ²⁵⁶Cf is the heaviest beta-stable isotope of californium (possibly also ²⁵⁸Cf, but probably not ²⁶⁰Cf), and is one of the two isotopes (254 and 256) whose stability is greatly reduced by SF decay. The predicted alpha partial half-life is very long, one or two orders of magnitude longer than that of the most stable isotope of californium, ²⁵¹Cf. This is consistent with our intuition that more neutron-rich isotopes are usually more stable with respect to alpha decay (although for curium, it is the almost-beta-stable ²⁴⁷Cm that is the most stable isotope rather than the heaviest beta-stable ²⁴⁸Cm).

²⁵⁶Cf is the nuclide with the highest N/Z ratio among known nuclides with Z≥95, and is the most neutron-rich among known beta-stable nuclides. 129.104.241.242 (talk) 03:55, 5 May 2024 (UTC)[reply]