Chemical Reactions and Ions Quiz
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Questions and Answers

When an atom loses one electron or more, what does it change into?

  • A negative ion
  • A neutral atom
  • No correct answer
  • A positive ion (correct)

    • Which element can NOT participate in chemical reactions?

  • Sodium (Na)
  • Neon (10Ne) (correct)
  • Hydrogen (H)
  • Oxygen (O)

    • What happens during the formation of a sodium chloride molecule?

  • Sodium atom gains two electrons from chlorine atom
  • Sodium atom gives two electrons to chlorine atom
  • Sodium atom gives one electron to chlorine atom (correct)
  • Sodium atom gains one electron from chlorine atom

    • Which of the following elements can form covalent molecules?

    <p>$MgO$</p> Signup and view all the answers

    Which molecule contains a triple covalent bond?

    <p>Nitrogen</p> Signup and view all the answers

    What type of bond exists in a sodium chloride molecule?

    <p>Ionic bonds</p> Signup and view all the answers

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