2.3 - Examples
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Practice Questions
Test your understanding with targeted questions
What is an element?
💡 Hint: Think about the simplest form of matter.
Give an example of a compound.
💡 Hint: Remember, it must be made from two or more elements.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of substance is made of only one kind of atom?
💡 Hint: Think about the simplest form in the periodic table.
True or False: A mixture can be separated by chemical methods.
💡 Hint: Remember how components retain their properties.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A scientist has a bag containing iron filings, sand, and salt. What methods could they use to separate these components, and in what order would they likely do so?
💡 Hint: Think about properties that each method relies on.
Describe a real-life scenario where you encounter a mixture and how you might separate its components at home.
💡 Hint: Consider physical separation methods involving what you observe.
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Reference links
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