Hexbiennium (Hbe)

Hexbiennium is the systematic name of the theoretical ٦٢٩. element in the periodic table with a symbol of Hbe and atomic number of 629. Hexbiennium, also known as element 629, has ستة مائة وتسعة وعشرون protons in its nucleus, and ستة مائة وتسعة وعشرون electrons in its shells.