Septquadnilium (Sqn)

Septquadnilium is the systematic name of the theoretical ที่ 740 element in the periodic table with a symbol of Sqn and atomic number of 740. Septquadnilium, also known as element 740, has เจ็ด​ร้อย​สี่​สิบ protons in its nucleus, and เจ็ด​ร้อย​สี่​สิบ electrons in its shells.