4.4.1 - Electron
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Practice Questions
Test your understanding with targeted questions
What is the charge of an electron?
💡 Hint: Think about the symbols used to denote charge.
Who discovered the electron?
💡 Hint: Remember the key historical figure related to this discovery.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the charge of an electron?
💡 Hint: Think of the charge associated with protons and neutrons.
Is it true that electrons are heavier than protons?
💡 Hint: Reflect on the relative sizes of these particles.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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