Pentpenttrium (Ppt)
Pentpenttrium is the systematic name of the theoretical 553. element in the periodic table with a symbol of Ppt and atomic number of 553. Pentpenttrium, also known as element 553, has חמש מאות חמישים ושלוש protons in its nucleus, and חמש מאות חמישים ושלוש electrons in its shells.