University of Kashan Iranian Journal of Mathematical Chemistry 2228-6489 16 3 2025 09 01 Chemical Hyperstructures for Neptunium‎, ‎Rubidium‎, ‎and Plutonium 207 222 115047 10.22052/ijmc.2024.255728.1929 EN Fakhry Asad Agusfrianto Mathematics Study Program, Universitas Negeri Jakarta, Jakarta, Indonesia Mariam Hariri College of Interdisciplinary Studies, Zayed University, Abu Dhabi, United Arab Emirates Yudi Mahatma Mathematics Study Program, Universitas Negeri Jakarta, Jakarta, Indonesia Journal Article 2024 11 01 ‎The notion of hyperstructures is a generalization of algebraic structures‎. ‎This notion was first introduced by Marty in 1934‎. ‎Hyperstructures have many applications‎, ‎such as in biology‎, ‎physics‎, ‎cryptography‎, ‎and chemistry‎. ‎This paper focuses on the application of hyperstructures in chemistry‎, ‎especially in chemical reactions‎. ‎In 2022‎, ‎Al-Tahan and Davvaz finalized the results of chemical hyperstructures for chemical elements that have four oxidation states‎. ‎Motivated by this research‎, ‎this paper aims to investigate algebraic hyperstructures in some elements that have five oxidation states‎, ‎that is‎, ‎neptunium‎, ‎rubidium‎, ‎and plutonium‎. ‎Furthermore‎, ‎the chemical interpretation of these chemical elements also is provided in this paper‎. https://ijmc.kashanu.ac.ir/article_115047_7b5e2f2ba1eeeceac9728a2fe26bddce.pdf