Septunennium (Sue)
Septunennium is the systematic name of the theoretical ที่ 719 element in the periodic table with a symbol of Sue and atomic number of 719. Septunennium, also known as element 719, has เจ็ดร้อยสิบเก้า protons in its nucleus, and เจ็ดร้อยสิบเก้า electrons in its shells.