Hexseptoctium (Hso)

Hexseptoctium is the systematic name of the theoretical ที่ 678 element in the periodic table with a symbol of Hso and atomic number of 678. Hexseptoctium, also known as element 678, has หก​ร้อย​เจ็ด​สิบ​แปด protons in its nucleus, and หก​ร้อย​เจ็ด​สิบ​แปด electrons in its shells.