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Type: Multiple-Choice
Category: Periodic Table and Elements
Level: Grade 6
Author: busser1
Last Modified: 12 days ago

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Periodic Table and Elements Question

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Grade 6 Periodic Table and Elements

The atomic number of an element is equal to an element's
  1. atomic weight.
  2. atomic mass.
  3. number of protons.
  4. number of neutrons.
  5. none of the above.
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