Pentunennium (Pue)

Pentunennium is the systematic name of the theoretical 519. element in the periodic table with a symbol of Pue and atomic number of 519. Pentunennium, also known as element 519, has πεντακόσια δεκα­εννέα protons in its nucleus, and πεντακόσια δεκα­εννέα electrons in its shells.