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