Penthextrium (Pht)

Penthextrium is the systematic name of the theoretical 563. element in the periodic table with a symbol of Pht and atomic number of 563. Penthextrium, also known as element 563, has fimm­hundrað­og­seksti­tríggir protons in its nucleus, and fimm­hundrað­og­seksti­tríggir electrons in its shells.