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Chapter 9 – Introduction to Equations Writing and Balancing Equations Section 9.1.
Properties and Changes of Matter Unit One Chapter 2.
ATOMS AND MOLECULES THE CHEMICAL BASIS OF LIFE. ATOMS AND MOLECULES Elements are not changed in normal chemical reactions Each element has a unique chemical.
Topic 8 – Reaction Rate Science 9 - Chemistry. Chemical Reactions involving oxygen 1. COMBUSTION - oxygen reacts with a substance to from a new substance.
The Nature of Matter
