Octseptoctium (Oso)

Octseptoctium is the systematic name of the theoretical ที่ 878 element in the periodic table with a symbol of Oso and atomic number of 878. Octseptoctium, also known as element 878, has แปด​ร้อย​เจ็ด​สิบ​แปด protons in its nucleus, and แปด​ร้อย​เจ็ด​สิบ​แปด electrons in its shells.