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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the atomic number of an element?
๐ก Hint: Think about what defines an element.
Question 2
Easy
What particles make up the nucleus?
๐ก Hint: Remember the collective term we use for these particles.
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 relationship between mass number and the nucleus?
- It is the number of protons only
- It is protons plus neutrons
- It has no relationship
๐ก Hint: Consider what contributes to the mass of the nucleus.
Question 2
True or False: The atomic number is the same as the mass number.
- True
- False
๐ก Hint: Check the definitions of both terms.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a nucleus with 20 protons and 22 neutrons, calculate its mass number and discuss its stability compared to other elements with varying neutron counts.
๐ก Hint: Analyze the stability trend of elements around it in the periodic table.
Question 2
If the binding energy of a nucleus is found to be less than that of another, discuss the implications regarding its stability and potential for radioactive decay.
๐ก Hint: Compare the nucleus's binding energies and relate them to their respective isotopic forms.
Challenge and get performance evaluation