In Mendeleev's original periodic table, Group VIII was designated for transition metals. What is the — Periodic Table and Periodicity Chemistry Question

💡 Solution & Explanation

In Mendeleev's periodic table, Group VIII consists of 9 elements arranged in three rows, forming transitional triads: ($Fe, Co, Ni$), ($Ru, Rh, Pd$), and ($Os, Ir, Pt$).