2.1 - Definition
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Practice Questions
Test your understanding with targeted questions
What is an element?
💡 Hint: Think about substances that cannot be broken down further.
Can you give an example of a compound?
💡 Hint: Think of substances that are made from two or more elements.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main characteristic of an element?
💡 Hint: Think of what separates elements from compounds.
True or False: A mixture can be separated by physical methods.
💡 Hint: Consider how you would separate components of a salad.
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Challenge Problems
Push your limits with advanced challenges
If you have a solution that contains salt and water, how would you separate them, and what is the chemical nature of each component?
💡 Hint: Consider how salt water changes when heated.
Differentiate between two examples of homogeneous mixtures and two examples of heterogeneous mixtures.
💡 Hint: Think about whether the components are easily distinguishable.
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