Pentseptquadium (Psq)
Pentseptquadium is the systematic name of the theoretical 574. element in the periodic table with a symbol of Psq and atomic number of 574. Pentseptquadium, also known as element 574, has петсто седумдесет и четири protons in its nucleus, and петсто седумдесет и четири electrons in its shells.