Pentunseptium (Pus)

Pentunseptium is the systematic name of the theoretical ٥١٧. element in the periodic table with a symbol of Pus and atomic number of 517. Pentunseptium, also known as element 517, has خمسة مائة وسبعة عشر protons in its nucleus, and خمسة مائة وسبعة عشر electrons in its shells.