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Unit 9 · Matter

Matter and Density

ScienceSubject

14 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: Matter and Density
Domain: Chemistry

Density is a fingerprint

Study Tip

Never memorise three formulas. Write D = m / V every time, put in the two numbers the question gives you, and rearrange for the third. Then check the units, because an answer in kilograms can never be a density.