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Type: Multiple-Choice
Category: Atomic Structure
Level: Grade 9
Author: MadamTess2020
Created: a year ago

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Atomic Structure Question

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Grade 9 Atomic Structure

An atom is electrically neutral if the number of                                            .
  1. electrons is equal to the atom mass
  2. neutrons is equal to electrons
  3. neutrons is equal to atom number
  4. protons is equal to the number of electrons
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