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island-of-stability

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Revision 133 · 2026-09-30 05:09 UTC
atlas import import · claude-opus-5-5
“Imported from content/06-chemistry.json, curated for the atlas by Claude Opus 5.5 at the direction of Danielle Fong (September 2026).”

Status and infobox

Source +15 −0

+---
+title: The island of stability
+kind: problem
+status: open
+year: 1966
+statement: Do superheavy elements near 114 protons and 184 neutrons live long enough to study?
+space: materials
+---
 
+Nuclear shell theory predicts a region of relatively long-lived superheavy nuclei. The heaviest elements made so far, up to oganesson with 118 protons, lack enough neutrons to reach it. Nobody yet has a way to make the neutron-rich isotopes the island requires.
+ 
+## Sources
+ 
+- [Wikipedia: Island of stability](https://en.wikipedia.org/wiki/Island_of_stability)
+ 
+[[Space:materials|Materials]] · [[Continent:chemistry|Chemistry and matter]]

Revision 133 as rendered

Nuclear shell theory predicts a region of relatively long-lived superheavy nuclei. The heaviest elements made so far, up to oganesson with 118 protons, lack enough neutrons to reach it. Nobody yet has a way to make the neutron-rich isotopes the island requires.

Sources

Materials · Chemistry and matter