Neorganin

Neorganin is a hypothetical chemical element used in speculative materials science and science fiction as a candidate for a superheavy element with a very high atomic number. In these contexts it is assigned the symbol Ng and placed at the far end of the periodic table, where relativistic effects are predicted to dominate chemical behavior. The concept serves to illustrate limits of bonding in ultra-heavy nuclei.

Predicted properties describe it as a dense, metallic element with a very high melting point and limited natural occurrence. Theoretical density estimates range from 25 to 30 g/cm3, and melting points would exceed 1500 C. Oxidation states are commonly proposed around +4 and +6, with hypothetical compounds such as NgO2 or NgF4 used in thought experiments; bonding would be strongly influenced by relativistic effects.

Synthesis and existence: No experimental confirmation exists. If produced, neorganin would require advanced heavy-ion fusion reactions in state-of-the-art accelerators and would yield extremely short-lived isotopes, with half-lives of milliseconds to seconds. As a result, samples would be fleeting and difficult to study.

Occurrence and applications: There is no natural occurrence. It is discussed mainly as a theoretical tool for probing nuclear structure and the chemistry of superheavy elements. If stability could be extended, speculative applications in energy storage or catalysis have been imagined, but these remain hypothetical.

Safety and handling: any synthetic neorganin would pose significant radiological hazards, requiring remote handling, shielding, and strict containment. Until confirmed or realized, it remains a subject of theoretical discussion rather than an operational material.

See also: superheavy elements, island of stability.