Octseptseptium (Oss)

Octseptseptium is the systematic name of the theoretical 877-ші element in the periodic table with a symbol of Oss and atomic number of 877. Octseptseptium, also known as element 877, has сегіз жүз жетпіс жеті protons in its nucleus, and сегіз жүз жетпіс жеті electrons in its shells.