Pentennunium (Peu)

Pentennunium is the systematic name of the theoretical 591वाँ element in the periodic table with a symbol of Peu and atomic number of 591. Pentennunium, also known as element 591, has पाँच सौ इक्यानबे protons in its nucleus, and पाँच सौ इक्यानबे electrons in its shells.