Penttriennium (Pte)

Penttriennium is the systematic name of the theoretical 539-шы element in the periodic table with a symbol of Pte and atomic number of 539. Penttriennium, also known as element 539, has бес жүз отыз тоғыз protons in its nucleus, and бес жүз отыз тоғыз electrons in its shells.