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What is the principal quantum number of the outermost electron in chlorine?
Practice Questions
Q1
What is the principal quantum number of the outermost electron in chlorine?
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Questions & Step-by-Step Solutions
What is the principal quantum number of the outermost electron in chlorine?
Steps
Concepts
Step 1: Find the atomic number of chlorine. Chlorine has an atomic number of 17.
Step 2: Determine the electron configuration of chlorine. The electron configuration is 1s² 2s² 2p⁶ 3s² 3p⁵.
Step 3: Identify the outermost shell. The outermost electrons are in the 3rd shell (n=3).
Step 4: Conclude that the principal quantum number of the outermost electron in chlorine is 3.
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