ozmium
Ozmium is a hypothetical chemical element with the symbol Oz and atomic number 178. It is theorized to exist within the island of stability, a region of the periodic table where superheavy elements are predicted to have significantly longer half-lives than their lighter, unstable counterparts. As it is a theoretical element, ozmium has not been synthesized or observed. Its properties are extrapolated based on periodic trends and nuclear physics models. It would likely be a transition metal, potentially exhibiting properties similar to elements in the surrounding periodic table. The exploration of superheavy elements like ozmium is a significant area of research in nuclear chemistry and physics, aiming to understand the limits of nuclear existence and the fundamental forces that govern atomic nuclei. The discovery and characterization of such elements push the boundaries of our understanding of matter.