Pentbitrium (Pbt)

Pentbitrium is the systematic name of the theoretical 523. element in the periodic table with a symbol of Pbt and atomic number of 523. Pentbitrium, also known as element 523, has fimm­hundrað­og­tjúgo­tríggir protons in its nucleus, and fimm­hundrað­og­tjúgo­tríggir electrons in its shells.