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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the atomic number (Z) represent?
💡 Hint: What uniquely identifies an element?
Question 2
Easy
How do you calculate the mass number (A)?
💡 Hint: Think about what two subatomic particles contribute to mass.
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
What is the atomic number of Carbon?
- 6
- 12
- 14
💡 Hint: Think about how we define an element.
Question 2
True or False: Isotopes of an element have the same atomic number.
- True
- False
💡 Hint: Recall what defines an element.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If an atom has an atomic number of 30 and a mass number of 65, how many protons and neutrons does it have?
💡 Hint: Remember to subtract the atomic number from the mass number.
Question 2
Discuss how isotopes of an element can have similar chemical properties but different physical properties.
💡 Hint: Reflect on what determines chemical vs. physical behavior.
Challenge and get performance evaluation