Ionic vs Covalent Compounds: Crystals and Molecules Explained for Grade 9 Science This animated instructional video for grade 9 science students explains the key differences between ionic and covalent compounds. Using sodium chloride and water as examples, it demonstrates how ionic compounds form crystalline structures while covalent compounds form individual molecules. Clear diagrams and step-by-step narration make complex chemical bonding concepts easy to understand. Perfect for classroom lear