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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a nucleus?
💡 Hint: Think about what parts of an atom are dense and contain mass.
Question 2
Easy
Define isotopes.
💡 Hint: Consider how elements can have variants based on their neutron count.
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 an atomic mass unit?
- 1/12 of a carbon-12 atom
- 10^-27 kg
- Mass of hydrogen atom
💡 Hint: Remember how we define mass in terms of carbon.
Question 2
Radioactivity involves the emission of energy and particles from atomic nuclei.
- True
- False
💡 Hint: Consider what happens when nuclear structures become unstable.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the binding energy for carbon-14 if its mass defect is 0.093 u.
💡 Hint: Don't forget to convert the mass defect to energy!
Question 2
Explain how stability in nuclei can be dependent on neutron to proton ratio, and calculate this for a hypothetical nucleus with 8 proton and 12 neutrons.
💡 Hint: Remember the ratios of stability as we discussed.
Challenge and get performance evaluation