Pharmacy students need to understand ionic bonding because many medicines and their ingredients are made of ions. This knowledge helps explain how drugs dissolve, are absorbed, and stay stable in the body. It also shows how ionic compounds affect the way medicines work and are formulated.

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Pharmacy students need to understand covalent bonding because it explains how drug molecules are built and how they work. Knowing about different types of bonds helps pharmacists predict how medicines will act, interact, and last. It also helps them understand how drugs attach to enzymes or metals, which affects how medicines are absorbed and used in the body.

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and this 4 minute video from Cognito.

Understanding molecular shapes is essential for pharmacy students because the biological activity of drugs depends heavily on their three-dimensional structure. The way a drug molecule interacts with a biological target, such as an enzyme or receptor, relies on complementary shapes, charge distributions, and the orientation of functional groups. Knowledge of molecular geometry allows pharmacists to comprehend drug-receptor interactions, predict potential side effects, and participate in the rational design of new therapeutic agents.

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Or you may prefer to watch this 11 minute video from Wayne Breslyn (Dr. B.)