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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What particles make up the nucleus of an atom?
💡 Hint: Remember the term nucleons.
Question 2
Easy
What is the atomic number?
💡 Hint: Think about what defines an element.
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 with 5 protons and 6 neutrons?
- 5
- 6
- 11
💡 Hint: Think of how the mass number is defined.
Question 2
The atomic number is defined as the number of which particle?
- Protons
- Neutrons
💡 Hint: It identifies the element.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An atom has 15 protons (atomic number Z) and 16 neutrons. What is its mass number, and which element is it?
💡 Hint: Sum up the protons and neutrons for mass number.
Question 2
If an element's atomic number is 12, and it has 12 neutrons, determine its mass number and identify the element.
💡 Hint: Remember what the atomic number represents.
Challenge and get performance evaluation