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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define atomic number.
💡 Hint: What does Z stand for?
Question 2
Easy
What is an isotope?
💡 Hint: Think about elements with different masses.
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 does atomic number represent?
- Number of neutrons
- Number of protons
- Mass of the atom
💡 Hint: Think about what makes one element different from another.
Question 2
True or False: Isotopes have the same number of neutrons.
- True
- False
💡 Hint: Look at what defines an isotope.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation