The term 'listings on the periodic table' refers to the elements that are listed on the periodic table. The periodic table is an arrangement of elements in order of their atomic number, which is the number of protons in the nucleus of an atom. It was first developed by Russian chemist Dmitri Mendeleev in 1869 and has since been used as a tool to help scientists understand the properties of different elements. The 8-letter solution for this term is 'elements, ' which refers to the individual atoms that make up all matter.