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Unit 9 · Matter

Molecules and Compounds

ScienceSubject

15 minEstimated read

📖Note 🔬Activity ⭐Points to Remember ✏️Practice Questions 🧪Practice Test 🎬Video 🖥️Presentation

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Unit 9 topics

Matter and Density Relative Density, Floating and Sinking Elements and Atoms Molecules and Compounds Physical and Chemical Change

Quick Facts

Unit: 9: Matter
Topic: Molecules and Compounds
Domain: Chemistry

New properties, not inherited ones

Study Tip

To sort any molecule, ask one question: how many different kinds of atom are in it? One kind means a molecule of an element, and more than one kind means a molecule of a compound. You do not need to know what the substance is.