Matter and Atoms Quiz

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Questions and Answers

What is matter in classical physics and general chemistry defined as?

  • Substance with mass and volume (correct)
  • Substance with mass only
  • Substance with volume only
  • Substance with neither mass nor volume

Which of the following is not considered as matter?

  • Electrons
  • Atoms
  • Photons (correct)
  • Protons

What are the classical everyday phases of matter?

  • Solid, gas, plasma
  • Solid, liquid, gas (correct)
  • Liquid, gas, plasma
  • Solid, liquid, plasma

How are atoms usually imagined in classical physics?

<p>Nucleus of protons and neutrons with orbiting electrons (D)</p> Signup and view all the answers

How do subatomic particles behave according to their quantum nature?

<p>They can act like waves as well as particles (B)</p> Signup and view all the answers

How many chambers does the heart of a fish typically have?

<p>Two (B)</p> Signup and view all the answers

What prevents backflow of blood in a healthy heart?

<p>Heart valves (D)</p> Signup and view all the answers

Where is the heart located in humans?

<p>Between the lungs in the mediastinum (D)</p> Signup and view all the answers

What determines the rhythm of blood pumping in the heart?

<p>Pacemaker cells in the sinoatrial node (D)</p> Signup and view all the answers

What is the size of the human heart, approximately?

<p>Size of a closed fist (A)</p> Signup and view all the answers

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