1. Calculate the theoretical density of Barium metal barium
2. Calculate the theoretical densities and packing factor of barium zirconate (BaZrO3), and barium cerate (BaCeO3), both of which form the perovskite structure
2. Calculate the theoretical densities and packing factor of barium zirconate (BaZrO3), and barium cerate (BaCeO3), both of which form the perovskite structure