Discover the World of Atoms and Elements
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Questions and Answers

Which subatomic particle determines the isotope of an element?

  • Electrons
  • Neutrons (correct)
  • Nucleus
  • Protons

What is the approximate size of an atom?

  • 1 picometer (correct)
  • 1 nanometer
  • 1 centimeter
  • 1 millimeter

Which subatomic particle has no electric charge?

  • Electrons
  • Protons
  • Nucleus
  • Neutrons (correct)

Which subatomic particle determines the chemical element?

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

What is the primary reason why atoms cannot be seen with conventional microscopes?

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

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

<p>Nucleus (A)</p> Signup and view all the answers

Which subatomic particle has a positive electric charge?

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

What distinguishes one chemical element from another?

<p>Number of protons (C)</p> Signup and view all the answers

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

<p>Atoms exhibit quantum effects (B)</p> Signup and view all the answers

Which subatomic particle determines the chemical element?

<p>Protons (D)</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>Atoms are constantly moving (D)</p> Signup and view all the answers

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