Hexbiennium (Hbe)

Hexbiennium is the systematic name of the theoretical 629. element in the periodic table with a symbol of Hbe and atomic number of 629. Hexbiennium, also known as element 629, has εξακόσια είκοσι εννέα protons in its nucleus, and εξακόσια είκοσι εννέα electrons in its shells.