Positium
Positium is a hypothetical chemical element with the symbol Po and atomic number 126. It is a member of the 18th group in the periodic table, and is expected to be a post-transition metal. Positium is named after the Latin word "positivus," meaning "positive," reflecting its expected positive oxidation states. The element is predicted to have a high atomic mass, with estimates ranging from 320 to 340 atomic mass units. Its properties are not well-established due to the lack of experimental data, but theoretical calculations suggest that it may exhibit unique chemical behaviors, such as the ability to form compounds with unusually high oxidation states. Positium is not found in nature and is not known to have any stable isotopes. Its synthesis and study are currently beyond the capabilities of modern technology. The element is primarily of theoretical interest, contributing to the understanding of the periodic table and the behavior of superheavy elements.