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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What defines the atomic number?
💡 Hint: Think about what structures are found inside an atom.
Question 2
Easy
Do all elements have the same atomic number?
💡 Hint: Consider how the periodic table is organized.
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 atomic number of an element?
- Number of neutrons
- Number of protons
- Total atomic mass
💡 Hint: Think about what uniquely identifies each element.
Question 2
True or False: An element can change its atomic number during a chemical reaction.
- True
- False
💡 Hint: Consider what happens at the nuclear level compared to chemical reactions.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Imagine a hypothetical element has 11 protons and 11 neutrons. Calculate its atomic number and describe its identity.
💡 Hint: Focus on the number of protons to find its identity!
Question 2
If a nuclear reaction changes the atomic number of an element from 12 to 13, what happens to the element? Name the new element.
💡 Hint: Use the periodic table to find the corresponding elements.
Challenge and get performance evaluation