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