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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define an element.
💡 Hint: Think about what cannot be broken down further.
Question 2
Easy
What is a compound?
💡 Hint: Consider examples like water or table salt.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
Which of the following is a characteristic of an element?
- Can be broken down into simpler substances
- Consists of only one type of atom
- Has a fixed composition
💡 Hint: Think about the atomic structure.
Question 2
True or False: Compounds can be separated into their elements by physical methods.
- True
- False
💡 Hint: Recall the methods of separation discussed.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If you have a sample that contains both sodium and chlorine, how would you determine if it is sodium chloride or just the elements separately?
💡 Hint: Consider the different properties of mixtures versus compounds.
Question 2
Calculate the number of atoms in 3 moles of water (H₂O).
💡 Hint: Remember the conversion from moles to individual atoms.
Challenge and get performance evaluation