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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 are the three main subatomic particles?
💡 Hint: Think about the particles found in an atom.
Question 2
Easy
Who discovered the electron?
💡 Hint: He used cathode rays in his experiments.
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 charge of an electron?
- Positive
- Negative
- Neutral
💡 Hint: Think about the charge interactions in the atom.
Question 2
True or False: Protons are neutral particles.
💡 Hint: Remember the role of protons in the nucleus.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the charge of one mole of electrons.
💡 Hint: Use Avogadro's number to scale up the charge of a single electron.
Question 2
Discuss the implications of Chadwick's discovery of the neutron on the atomic model.
💡 Hint: Contemplate how this affects an atom's overall charge.
Challenge and get performance evaluation