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Type: Multiple-Choice
Category: Periodic Table and Elements
Level: Grade 9
Score: 1
Author: CaryBloomquist
Last Modified: 6 months ago

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Periodic Table and Elements Question

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Grade 9 Periodic Table and Elements

Isotopes are atoms of an element
  1. with the same number of electrons but different numbers of protons.
  2. that are radioactive.
  3. with a magnetic charge.
  4. with the same number of protons but different number of neutrons.
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