Hextrioctium (Hto)

Hextrioctium is the systematic name of the theoretical ที่ 638 element in the periodic table with a symbol of Hto and atomic number of 638. Hextrioctium, also known as element 638, has หก​ร้อย​สาม​สิบ​แปด protons in its nucleus, and หก​ร้อย​สาม​สิบ​แปด electrons in its shells.