Penthexpentium (Php)
Penthexpentium is the systematic name of the theoretical 565. element in the periodic table with a symbol of Php and atomic number of 565. Penthexpentium, also known as element 565, has pięćset sześćdziesiąt pięć protons in its nucleus, and pięćset sześćdziesiąt pięć electrons in its shells.