Pentseptennium (Pse)

Pentseptennium is the systematic name of the theoretical 579ste element in the periodic table with a symbol of Pse and atomic number of 579. Pentseptennium, also known as element 579, has vyfhonderd nege-en-sewentig protons in its nucleus, and vyfhonderd nege-en-sewentig electrons in its shells.