Pentbiennium (Pbe)

Pentbiennium is the systematic name of the theoretical 529e element in the periodic table with a symbol of Pbe and atomic number of 529. Pentbiennium, also known as element 529, has vijf­honderd­negen­en­twintig protons in its nucleus, and vijf­honderd­negen­en­twintig electrons in its shells.