Hexpentennium (Hpe)

Hexpentennium is the systematic name of the theoretical ที่ 659 element in the periodic table with a symbol of Hpe and atomic number of 659. Hexpentennium, also known as element 659, has หก​ร้อย​ห้า​สิบ​เก้า protons in its nucleus, and หก​ร้อย​ห้า​สิบ​เก้า electrons in its shells.