Pentseptoctium (Pso)

Pentseptoctium is the systematic name of the theoretical 578'inci element in the periodic table with a symbol of Pso and atomic number of 578. Pentseptoctium, also known as element 578, has beş yüz yetmiş səkkiz protons in its nucleus, and beş yüz yetmiş səkkiz electrons in its shells.