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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the nucleus?
💡 Hint: Think about where the mass of an atom is concentrated.
Question 2
Easy
Define atomic number.
💡 Hint: It identifies the element.
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 main component of a nucleus?
- Electrons
- Protons and Neutrons
- Photons
💡 Hint: Think about the particles that provide mass to the atom.
Question 2
True or False: The atomic number is different for isotopes.
- True
- False
💡 Hint: Consider what defines an element.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If an atom has 12 protons and 14 neutrons, what is its mass number and its atomic number? What element is it?
💡 Hint: Remember to add protons and neutrons for the mass number.
Question 2
Discuss the implications of having stable and unstable isotopes in terms of nuclear reactions.
💡 Hint: Consider stability and energy yield.
Challenge and get performance evaluation