Hextrioctium (Hto)

Hextrioctium is the systematic name of the theoretical ٦٣٨. element in the periodic table with a symbol of Hto and atomic number of 638. Hextrioctium, also known as element 638, has ستة مائة وثمانية وثلاثون protons in its nucleus, and ستة مائة وثمانية وثلاثون electrons in its shells.