Octseptseptium (Oss)

Octseptseptium is the systematic name of the theoretical 877번째 element in the periodic table with a symbol of Oss and atomic number of 877. Octseptseptium, also known as element 877, has 팔백칠십칠 protons in its nucleus, and 팔백칠십칠 electrons in its shells.