QUIZ: Most Can’t Pass This Basic Science Test

Which of these particles make up an atom?

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Retry Correct Incorrect Atoms are the smallest unit of ordinary matter in a chemical element. Electrons have a negative electrical charge, protons have a positive charge, and neutrons are neutral, with no charge.

Which of these particles make up an atom?

  • Protons and neutrons
  • Electrons, neutrons, and protons
  • Electrons and neutrons
  • Protons and electrons
50%

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