Penttrioctium (Pto)

Penttrioctium is the systematic name of the theoretical 538'инчи element in the periodic table with a symbol of Pto and atomic number of 538. Penttrioctium, also known as element 538, has беш жүз отуз сегиз protons in its nucleus, and беш жүз отуз сегиз electrons in its shells.