Septseptunium (Ssu)

Septseptunium is the systematic name of the theoretical ที่ 771 element in the periodic table with a symbol of Ssu and atomic number of 771. Septseptunium, also known as element 771, has เจ็ด​ร้อย​เจ็ด​สิบ​เอ็ด protons in its nucleus, and เจ็ด​ร้อย​เจ็ด​สิบ​เอ็ด electrons in its shells.