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Type: Multiple-Choice
Category: Periodic Table and Elements
Level: Grade 8
Score: 1
Tags: Knowledge and Understanding
Author: Megstowe1
Last Modified: 5 years ago

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Periodic Table and Elements Question

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Grade 8 Periodic Table and Elements

The                        is what creates the unique chemical and physical properties of each element in the universe and distinguishes all matter from other matter.
  1. number of neutrons
  2. number of protons
  3. number of isotopes
  4. atomic mass
  5. electron configuration
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