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Type: Multiple-Choice
Category: Atomic Structure
Level: Grade 9
Score: 9
Author: der1228
Last Modified: 5 years ago

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Atomic Structure Question

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Grade 9 Atomic Structure

What are the three particles that make up an atom?
  1. protons, neutrons, and isotopes
  2. neutrons, isotopes, and electrons
  3. positives, negatives, and electrons
  4. protons, neutrons, and electrons
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