Particle theory, diffusion, and atomic structure (protons, neutrons, electrons). Pure and Impure Substances: Separation techniques like chromatography and distillation. Ionic, covalent, and metallic structures. Types of Reactions:

Explain the difference between ionic and covalent bonding in terms of electron transfer and sharing.

Evaluates how well you collect, transform, and describe data, as well as your ability to identify improvements for experiments.