Elemental Proton Challenge

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Questions and Answers

Which subatomic particles are found in the nucleus of an atom?

  • Protons and electrons
  • Protons, neutrons, and electrons
  • Protons and neutrons (correct)
  • Neutrons and electrons

What distinguishes one chemical element from another?

  • The number of neutrons
  • The number of electrons
  • The number of protons (correct)
  • The number of electrons and neutrons

What defines the isotope of an element?

  • The number of electrons
  • The number of neutrons (correct)
  • The number of protons
  • The number of protons and electrons

Why can't humans see atoms with conventional microscopes?

<p>Atoms are too small (D)</p> Signup and view all the answers

Where is the majority of an atom's mass located?

<p>In the nucleus (C)</p> Signup and view all the answers

Which subatomic particles are found in the cloud surrounding the nucleus of an atom?

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

What determines the chemical element an atom belongs to?

<p>The number of protons (B)</p> Signup and view all the answers

What is the approximate size of an atom?

<p>100 picometers (C)</p> Signup and view all the answers

Why is it not possible to accurately predict the behavior of atoms using classical physics?

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

Where is the majority of an atom's mass located?

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

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