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What is the principal quantum number for the outermost electrons in a sodium atom?

Practice Questions

1 question
Q1
What is the principal quantum number for the outermost electrons in a sodium atom?
  1. 1
  2. 2
  3. 3
  4. 4

Questions & Step-by-step Solutions

1 item
Q
Q: What is the principal quantum number for the outermost electrons in a sodium atom?
Solution: Sodium has an electron configuration of 1s2 2s2 2p6 3s1, so the principal quantum number is 3.
Steps: 0

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