Octhextrium (Oht)
Octhextrium is the systematic name of the theoretical 863वाँ element in the periodic table with a symbol of Oht and atomic number of 863. Octhextrium, also known as element 863, has आठ सौ तिरेसठ protons in its nucleus, and आठ सौ तिरेसठ electrons in its shells.