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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
Calculate the number of electrons which weigh one gram.
💡 Hint: Use the mass of an electron to find the answer.
Question 2
Easy
What is the mass of one mole of electrons?
💡 Hint: Multiply the number of electrons by the mass of one electron.
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 charge does an electron possess?
- Positive
- Neutral
- Negative
💡 Hint: Think about the fundamental properties of subatomic particles.
Question 2
True or False: Protons and neutrons weigh the same.
💡 Hint: Recap the masses of subatomic particles.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Explain why hydrogen only has one electron and how that affects its atomic structure.
💡 Hint: Consider the role of protons and electrons in defining atomic behavior.
Question 2
Consider a sodium atom that gains an electron. What changes occur?
💡 Hint: Think about how adding electrons affects overall charge and stability.
Challenge and get performance evaluation