Electromagnetism Basics

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Questions and Answers

What is the dominant force in the interactions of atoms and molecules?

  • Strong nuclear force
  • Gravitational force
  • Electromagnetic force (correct)
  • Weak nuclear force

What does electromagnetism result from?

  • Interaction between charged and neutral particles via magnetic fields
  • Interaction between neutral particles via gravitational fields
  • Interaction between photons and electrons
  • Interaction between particles with electric charge via electromagnetic fields (correct)

At high energy, which forces are unified as a single electroweak force?

  • Weak force and electromagnetic force (correct)
  • Strong nuclear force and weak force
  • Gravitational force and electromagnetic force
  • Strong nuclear force and gravitational force

What do electric forces allow different atoms to combine into?

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

What role do magnetic interactions between the spin and angular momentum magnetic moments of electrons play?

<p>Role in chemical reactivity (D)</p> Signup and view all the answers

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