Topic Reviews:
1.0: Matter can be described and organized by its physical and chemical properties
2.0: An understanding of the nature of matter has developed through observation over time.
3.0: Compounds form according to a set of rules.
4.0: Substances undergo a chemical change when they interact to produce different substances.
As this unit involves many skills in naming and writing formulas using the periodic table, practice is important in understanding the concepts.