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Type: Multiple-Choice
Category: Periodic Table and Elements
Level: Grade 10
Author: abrown1201
Last Modified: 18 days ago

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Periodic Table and Elements Question

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Grade 10 Periodic Table and Elements

The number of protons in the nucleus of the atoms of an element determines the element's
  1. mass number.
  2. atomic number.
  3. ion charge.
  4. atomic mass.
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