Hexennennium (Hee)

Hexennennium is the systematic name of the theoretical ที่ 699 element in the periodic table with a symbol of Hee and atomic number of 699. Hexennennium, also known as element 699, has หก​ร้อย​เก้า​สิบ​เก้า protons in its nucleus, and หก​ร้อย​เก้า​สิบ​เก้า electrons in its shells.