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Type: Multiple-Choice
Category: Quantum Physics and the Atom
Level: Grade 9
Author: swiftadam81
Last Modified: a month ago

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Quantum Physics and the Atom Question

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Grade 9 Quantum Physics and the Atom

What does the atomic number tell about an atom?
  1. the number of protons
  2. the number of protons and neutrons
  3. the number of electrons
  4. the number of neutrons
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