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Type: Multiple-Choice
Category: Atomic Structure
Level: Grade 11
Author: Mike6260
Last Modified: a year ago

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Atomic Structure Question

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Grade 11 Atomic Structure

An atom of which element has the ground-state electron configuration [math]1s^2 2s^2 2p^6 3s^1[/math]?
  1. fluorine
  2. sodium
  3. chlorine
  4. magnesium
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