Pentununium (Puu)

Pentununium is the systematic name of the theoretical ٥١١. element in the periodic table with a symbol of Puu and atomic number of 511. Pentununium, also known as element 511, has خمسة مائة وإحدى عشر protons in its nucleus, and خمسة مائة وإحدى عشر electrons in its shells.