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 viisi­sataa­kuusi­kymmentä­kolme protons in its nucleus, and viisi­sataa­kuusi­kymmentä­kolme electrons in its shells.