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Type: Multiple-Choice
Category: Atomic Structure
Level: Grade 10
Tags: electron configurations
Author: teachchemistry
Last Modified: 20 days ago

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Atomic Structure Question

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Grade 10 Atomic Structure

What is the total number of protons in an atom with two electrons in the first shell, eight electrons in the second shell, and seven electrons in the third shell?
  1. 7
  2. 8
  3. 10
  4. 17
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