Practice Atomic Number (z) (3.2.2.1) - Elements and the Periodic Table: Nature's Organization
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Atomic Number (Z)

Practice - Atomic Number (Z)

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Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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!

Challenge 2 Hard

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.

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Reference links

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