Penthexennium (Phe)

Penthexennium is the systematic name of the theoretical 569'инчи element in the periodic table with a symbol of Phe and atomic number of 569. Penthexennium, also known as element 569, has беш жүз алтымыш тогуз protons in its nucleus, and беш жүз алтымыш тогуз electrons in its shells.