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 חמש מאות שישים ושלוש protons in its nucleus, and חמש מאות שישים ושלוש electrons in its shells.