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Type: Multiple-Choice
Category: Atomic Structure
Level: Grade 12
Author: jbrown5869
Created: a month ago

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Atomic Structure Question

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Grade 12 Atomic Structure

How are isotopes of an element different from one another?
  1. they have different numbers of electrons
  2. they have different numbers of protons
  3. they have different numbers of neutrons
  4. they have different numbers of protons and neutrons
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