Octhextrium (Oht)
Octhextrium is the systematic name of the theoretical 863-ші element in the periodic table with a symbol of Oht and atomic number of 863. Octhextrium, also known as element 863, has сегіз жүз алпыс үш protons in its nucleus, and сегіз жүз алпыс үш electrons in its shells.