Basic Concepts of Matter and Atoms
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Questions and Answers

What are the small particles that compose atoms?

  • Electrons, photons, and protons
  • Photons, neutrons, and positrons
  • Neutrons, electrons, and positrons
  • Protons, electrons, and neutrons (correct)

What is the center of an atom called?

  • Nucleus (correct)
  • Centralized region
  • Central core
  • Core

According to the law of electric charges, what happens between like charges?

  • They attract each other
  • They remain neutral
  • They combine to form new particles
  • They repel each other (correct)

What defines electrical charges on atoms?

<p>Too many or too few electrons on an atom (B)</p> Signup and view all the answers

Why do unlike charges attract each other?

<p>Because opposites attract (C)</p> Signup and view all the answers

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