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Type: Multiple-Choice
Category: Periodic Table and Elements
Level: Grade 9
Author: Manimala
Last Modified: 7 years ago

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Periodic Table and Elements Question

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Grade 9 Periodic Table and Elements

All atoms of the same element contain the same number of what?
  1. Neutrons
  2. Protons
  3. Neutrons and electrons
  4. Neutrons and protons