Exploring Atoms and Radioactive Decay
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Questions and Answers

Which subatomic particle has a positive charge?

  • Protons (correct)
  • Nucleus
  • Neutrons
  • Electrons

    • What is the main difference between endothermic and exothermic reactions?

  • The release of energy
  • The involvement of electrons
  • The formation of compounds
  • The absorption of heat (correct)

    • What are atoms made up of?

  • Radiation and energy
  • Shells and compounds
  • Decay and reactions
  • Protons, neutrons, and electrons (correct)

    • Which type of chemical reaction absorbs heat from its surroundings?

    <p>Endothermic reaction</p> Signup and view all the answers

    What is the purpose of shells in an atom?

    <p>To contain electrons</p> Signup and view all the answers

    What is the function of a word equation in chemistry?

    <p>To represent a chemical reaction using words</p> Signup and view all the answers

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