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Type: Multiple-Choice
Category: Periodic Table and Elements
Level: Grade 8
Score: 7
Author: jumcneill
Last Modified: 6 years ago

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Periodic Table and Elements Question

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Grade 8 Periodic Table and Elements

In the modern Periodic Table, elements are arranged
  1. according to atomic mass.
  2. according to atomic number.
  3. in alphabetical order.
  4. according to the number of neutrons in their nuclei.