which of the following figures represents Mendeleev's Periodic Table that was published in a German journal in 1872?

Dmitri Mendeleev published his periodic table in the German journal Annalen der Chemie und Pharmacie in 1872. This version of the periodic table contained 8 horizontal columns called groups (designated by Roman numerals I to VIII) and 6 periods containing 12 series. Since noble gases had not been discovered at that time, there was no group beyond group VIII. Therefore, Figure c is the correct schematic representation.