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Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the charge of an electron?
💡 Hint: Think about the symbols used to denote charge.
Question 2
Easy
Who discovered the electron?
💡 Hint: Remember the key historical figure related to this discovery.
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 of the charge associated with protons and neutrons.
Question 2
Is it true that electrons are heavier than protons?
- True
- False
💡 Hint: Reflect on the relative sizes of these particles.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A certain element has 9 electrons and 9 protons. What can you say about its chemical behavior and valency?
💡 Hint: Think about its position in the periodic table.
Question 2
If an atom has an atomic number of 6 and a mass number of 14, how many neutrons does it have and what are the implications for its isotopes?
💡 Hint: Use the mass number formula to find the number of neutrons.
Challenge and get performance evaluation