Octseptseptium (Oss)

Octseptseptium is the systematic name of the theoretical ที่ 877 element in the periodic table with a symbol of Oss and atomic number of 877. Octseptseptium, also known as element 877, has แปด​ร้อย​เจ็ด​สิบ​เจ็ด protons in its nucleus, and แปด​ร้อย​เจ็ด​สิบ​เจ็ด electrons in its shells.