Septoctseptium (Sos)

Septoctseptium is the systematic name of the theoretical 787-ші element in the periodic table with a symbol of Sos and atomic number of 787. Septoctseptium, also known as element 787, has жеті жүз сексен жеті protons in its nucleus, and жеті жүз сексен жеті electrons in its shells.