Hexoctennium (Hoe)

Hexoctennium is the systematic name of the theoretical ที่ 689 element in the periodic table with a symbol of Hoe and atomic number of 689. Hexoctennium, also known as element 689, has หก​ร้อย​แปด​สิบ​เก้า protons in its nucleus, and หก​ร้อย​แปด​สิบ​เก้า electrons in its shells.