Septennoctium (Seo)

Septennoctium is the systematic name of the theoretical ที่ 798 element in the periodic table with a symbol of Seo and atomic number of 798. Septennoctium, also known as element 798, has เจ็ด​ร้อย​เก้า​สิบ​แปด protons in its nucleus, and เจ็ด​ร้อย​เก้า​สิบ​แปด electrons in its shells.