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What is the principal quantum number for the outermost electron in potassium (K)?

Practice Questions

1 question
Q1
What is the principal quantum number for the outermost electron in potassium (K)?
  1. 2
  2. 3
  3. 4
  4. 5

Questions & Step-by-step Solutions

1 item
Q
Q: What is the principal quantum number for the outermost electron in potassium (K)?
Solution: Potassium has an electron configuration of [Ar] 4s1, so the principal quantum number for the outermost electron is 4.
Steps: 0

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