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What is the principal quantum number for the outermost electron in sodium (Na)? (2022) 2022

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What is the principal quantum number for the outermost electron in sodium (Na)? (2022) 2022
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Questions & Step-by-step Solutions

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Q
Q: What is the principal quantum number for the outermost electron in sodium (Na)? (2022) 2022
Solution: Sodium has an atomic number of 11, and its outermost electron is in the 3rd shell, so n=3.
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