berylliumarkaa
Berylliumarkaa is a hypothetical element with atomic number 126. It is predicted to reside within the "island of stability," a region of the periodic table where superheavy elements are expected to have significantly longer half-lives than their neighbors. The concept of the island of stability arises from nuclear shell models, which suggest that certain combinations of protons and neutrons create particularly stable atomic nuclei.
The precise location and extent of the island of stability are subjects of ongoing theoretical research. While
The synthesis of elements with atomic numbers beyond the currently known heaviest elements, such as oganesson