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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the mass number of an atom with 8 protons and 8 neutrons?
💡 Hint: Add the number of protons and neutrons.
Question 2
Easy
Define an isotope.
💡 Hint: Consider the atomic number and how it affects 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 mass number of an atom that has 5 protons and 7 neutrons?
- 12
- 10
- 5
- 7
💡 Hint: Remember to add the two quantities together.
Question 2
True or False: All isotopes of an element have the same chemical properties.
- True
- False
💡 Hint: Think about how chemical behavior is determined.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A sample of an element X has an atomic number of 6. If its mass number is 14, determine the number of neutrons and provide the difference in mass between isotopes of this element.
💡 Hint: Use the formula mass number = protons + neutrons.
Question 2
Find two isobars of mass number 40 and explain their relationship.
💡 Hint: Assess their atomic numbers to determine how they differ.
Challenge and get performance evaluation