2.5 - Electron Configuration
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Practice Questions
Test your understanding with targeted questions
How many electrons can the K shell hold?
💡 Hint: Use the 2n² rule where n = 1.
What is the electron configuration for Helium (Z = 2)?
💡 Hint: Think about how many electrons are in the K shell.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the maximum number of electrons in the L shell?
💡 Hint: Recall the formula for the maximum electron capacity.
True or False: The M shell can hold a maximum of 8 electrons.
💡 Hint: Think about the formula 2n² for the M shell.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Determine the electron configuration for Selenium (Z = 34) and explain your reasoning.
💡 Hint: Break down the electrons into cells using the 2n² rule.
If an element has 20 electrons, what would be its electron configuration? Explain your answer.
💡 Hint: Remember the maximum number of electrons per shell.
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