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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the mass number of an atom with 10 protons and 12 neutrons?
💡 Hint: Add the number of protons to neutrons.
Question 2
Easy
How many protons does Oxygen have if its atomic number is 8?
💡 Hint: The atomic number equals the number of protons.
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 mass number of an atom?
- Only Protons
- Protons and Electrons
- Protons and Neutrons
💡 Hint: Consider the components that make up an atom's mass.
Question 2
True or False: Isotopes of an element have different atomic numbers.
- True
- False
💡 Hint: Remember, atomic number is based on protons.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If an isotope of chlorine has 17 protons and 20 neutrons, what is its mass number? Discuss the implications of this isotope compared to another with 17 protons and 18 neutrons.
💡 Hint: Remember to add protons and neutrons for mass number.
Question 2
An unknown element has a mass number of 40 and 18 protons. Determine its identity and discuss its isotopes.
💡 Hint: Use the periodic table to find the element associated with the atomic number.
Challenge and get performance evaluation