Hexseptquadium (Hsq)
Hexseptquadium is the systematic name of the theoretical 674. element in the periodic table with a symbol of Hsq and atomic number of 674. Hexseptquadium, also known as element 674, has шестьсот семьдесят четыре protons in its nucleus, and шестьсот семьдесят четыре electrons in its shells.