4.7.1 - Atomic Number (Z)
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Practice Questions
Test your understanding with targeted questions
What does the atomic number (Z) represent?
💡 Hint: Think about what defines the identity of an element.
How many neutrons does a neutral atom of lithium (Z = 3) have?
💡 Hint: Consider the mass number, which includes both protons and neutrons.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the atomic number represent?
💡 Hint: Remember, it’s crucial for identifying the element.
True or False: The atomic number of an atom can vary for isotopes of the same element.
💡 Hint: Think about how protons and neutrons are defined in isotopes.
1 more question available
Challenge Problems
Push your limits with advanced challenges
An element has atomic number 15. Determine its identity and how many electrons it has in a neutral state.
💡 Hint: Use the concept that the atomic number equals the number of electrons in a neutral atom.
Explain how changing the atomic number of an element alters its identity.
💡 Hint: Think about what constitutes an element in terms of atomic structure.
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