Pentquadtrium (Pqt)

Pentquadtrium is the systematic name of the theoretical 543. element in the periodic table with a symbol of Pqt and atomic number of 543. Pentquadtrium, also known as element 543, has penki šimtai keturiasdešimt trys protons in its nucleus, and penki šimtai keturiasdešimt trys electrons in its shells.