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Jan 15, 2021 · Mastering Chemistry. BK 1A -- Topic 1 Planet Earth. BK 1B -- Topic 2 Microscopic World I. BK 1C -- Topic 3 Metals. BK 2A -- Topic 4 Acids and Bases. BK 2B -- Topic 5 Redox Reactions, Chemical Cells and Electrolysis. BK 2C -- Topic 6 Microscopic World II. BK 3A -- Topic 7 Fossil Fuels and Carbon Compounds. BK 3B -- Topic 8 Chemistry of Carbon ...

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1. Atoms - each element is composed of tiny indestructible particles. 2. all atoms of a given element have the same mass & other properties that distinguish them from the atoms of other elements. 3. atoms combine in simple, whole-number ratios to form compounds. Electrical Charge.

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