2.2.1 - Principal Quantum Number (n)
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Practice Questions
Test your understanding with targeted questions
What does the principal quantum number (n) indicate?
💡 Hint: Think about the electron's distance from the nucleus.
Can n take zero or negative values?
💡 Hint: Recall that n represents specific shells of electrons.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the principal quantum number (n) signify?
💡 Hint: It's about where electrons are found.
True or False: The value of the principal quantum number can be zero.
💡 Hint: Consider that n starts counting at 1.
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Challenge Problems
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If an atom has a principal quantum number of 4, what is the maximum number of electrons it can hold and how does this affect its reactivity?
💡 Hint: Use the formula 2n² for calculating maximum electrons.
Explain how the principal quantum number influences an element's position on the periodic table.
💡 Hint: Consider how similarly placed elements react in similar ways.
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