Pentquadtrium (Pqt)

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