Pentennhexium (Peh)
Pentennhexium is the systematic name of the theoretical 596ú element in the periodic table with a symbol of Peh and atomic number of 596. Pentennhexium, also known as element 596, has cúig chéad nócha a sé protons in its nucleus, and cúig chéad nócha a sé electrons in its shells.