The "island of stability" is a theoretical concept in nuclear physics that suggests the existence of certain isotopes with unusually stable configurations of protons and neutrons. These isotopes would have much longer half-lives compared to neighboring isotopes, making them relatively more stable and potentially less radioactive.
While there is ongoing research and speculation regarding the possible location of the island of stability, there is currently no agreed-upon atomic number range in the periodic table where it might exist. Various theoretical models predict different regions, typically associated with significantly higher atomic numbers (beyond the known elements).
The concept of the island of stability suggests that certain combinations of protons and neutrons may lead to more stable atomic nuclei, which could result in longer half-lives and reduced radioactivity. However, it's important to note that even if elements within the island of stability were discovered, they would still be expected to undergo radioactive decay eventually, although potentially with longer half-lives compared to other elements.
It's worth mentioning that the island of stability is a subject of ongoing research and exploration in nuclear physics, and further advancements in theoretical models and experimental techniques are necessary to confirm its existence and provide more specific predictions about its location and properties.