Pentquadtrium (Pqt)

Pentquadtrium is the systematic name of the theoretical 543ste element in the periodic table with a symbol of Pqt and atomic number of 543. Pentquadtrium, also known as element 543, has vyfhonderd drie-en-veertig protons in its nucleus, and vyfhonderd drie-en-veertig electrons in its shells.