Penthexennium (Phe)

Penthexennium is the systematic name of the theoretical 569वाँ element in the periodic table with a symbol of Phe and atomic number of 569. Penthexennium, also known as element 569, has पाँच सौ उनहत्तर protons in its nucleus, and पाँच सौ उनहत्तर electrons in its shells.