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What is the electron configuration of a chlorine atom (atomic number 17)? (2020)

Practice Questions

1 question
Q1
What is the electron configuration of a chlorine atom (atomic number 17)? (2020)
  1. 1s² 2s² 2p⁶ 3s² 3p⁵
  2. 1s² 2s² 2p⁶ 3s² 3p⁶
  3. 1s² 2s² 2p⁶ 3s² 3p⁴
  4. 1s² 2s² 2p⁶ 3s² 3d⁵

Questions & Step-by-step Solutions

1 item
Q
Q: What is the electron configuration of a chlorine atom (atomic number 17)? (2020)
Solution: The electron configuration of chlorine is 1s² 2s² 2p⁶ 3s² 3p⁵, filling up to the 3p subshell.
Steps: 0

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