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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the atomic number represent?
💡 Hint: Remember 'Z for Protons.'
Question 2
Easy
How do you calculate mass number?
💡 Hint: Think of A = Z + N.
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 does the atomic number represent?
- Total neutrons
- Total protons
- Total protons + neutrons
💡 Hint: Remember 'Z for protons'!
Question 2
True or False: Isotopes have different atomic numbers.
- True
- False
💡 Hint: They're the same element, just different in neutrons!
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An element with atomic number 20 has a mass number of 40. How many neutrons does it have, and what element is it?
💡 Hint: Use the formula A = Z + N to find N.
Question 2
You have samples of Carbon-12 and Carbon-14. If both have 6 protons, how can you differentiate them in a lab setting?
💡 Hint: Think about physical properties and measurements.
Challenge and get performance evaluation