Hexpentennium (Hpe)

Hexpentennium is the systematic name of the theoretical 659'инчи element in the periodic table with a symbol of Hpe and atomic number of 659. Hexpentennium, also known as element 659, has алты жүз элүү тогуз protons in its nucleus, and алты жүз элүү тогуз electrons in its shells.