Practice - Glossary of Terms
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Practice Questions
Test your understanding with targeted questions
Define atomic number.
💡 Hint: What does Z stand for?
What is an isotope?
💡 Hint: Think about elements with different masses.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does atomic number represent?
💡 Hint: Think about what makes one element different from another.
True or False: Isotopes have the same number of neutrons.
💡 Hint: Look at what defines an isotope.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Consider an atom with 8 protons and 10 neutrons. What is its atomic number, mass number, and which element is it?
💡 Hint: Identify atomic number first.
An element has two isotopes: Isotope C has a mass of 14 u (80% abundance) and Isotope D has a mass of 16 u (20% abundance). Compute the average atomic mass.
💡 Hint: Use the weighted average formula.
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