Septquadunium (Squ)
Septquadunium is the systematic name of the theoretical thứ 741 element in the periodic table with a symbol of Squ and atomic number of 741. Septquadunium, also known as element 741, has bảy trăm bốn mươi mốt protons in its nucleus, and bảy trăm bốn mươi mốt electrons in its shells.