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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the charge of a proton?
💡 Hint: Think about what role protons play in the atomic structure.
Question 2
Easy
How many protons does a helium atom have?
💡 Hint: Refer back to the periodic table.
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 atomic number of carbon?
- 6
- 12
- 8
💡 Hint: Look at what defines an element on the periodic table.
Question 2
Are neutrons positively charged?
- True
- False
💡 Hint: Remember the charges of subatomic particles.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the mass number of an element if it contains 20 protons and 22 neutrons.
💡 Hint: Revisit how to calculate mass number.
Question 2
Explain how isotopes can be used in medicine.
💡 Hint: Think about how different isotopes have varying effects in biological systems.
Challenge and get performance evaluation