Octseptseptium (Oss)
Octseptseptium is the systematic name of the theoretical 877. element in the periodic table with a symbol of Oss and atomic number of 877. Octseptseptium, also known as element 877, has שמונה מאות שבעים ושבע protons in its nucleus, and שמונה מאות שבעים ושבע electrons in its shells.