2 - The States and Structure of Matter: A Particle Perspective
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Practice Questions
Test your understanding with targeted questions
Define matter.
💡 Hint: Consider what everything around us is made of.
What are the two main classifications of matter?
💡 Hint: One is uniformly composed, while the other can vary.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a pure substance?
💡 Hint: Think of a single ingredient versus a recipe.
True or False: A mixture can be easily separated into its components.
💡 Hint: Consider how you could separate sand and salt.
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Challenge Problems
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If 50 grams of ice at -10°C is placed in warm water at 30°C, what will happen to the ice? Explain the energy changes involved.
💡 Hint: Consider what happens to ice when it warms up.
Compare the density of a solid and a gas at the same temperature. What can you infer about their particle arrangements?
💡 Hint: Think about weight compared to size in solids versus gases.
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