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