Home » In Mendeleev’s Periodic table, gaps were left for many elements. Pick any one out of them Periodic Table MCQs In Mendeleev’s Periodic table, gaps were left for many elements. Pick any one out of them April 16, 2022 12 Views Q. In Mendeleev’s Periodic table, gaps were left for many elements. Pick any one out of them. A. Germanium B. Chlorine C. Oxygen D. Silicon Answer: Germanium