Mastering Chemical Bonds
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Questions and Answers

Which subatomic particle has a positive charge?

  • Electron
  • Valence electron
  • Proton (correct)
  • Neutron

    • Which subatomic particle has a charge of -1?

  • Proton
  • Electron (correct)
  • Neutron
  • Valence electron

    • What is the atomic number of carbon?

  • 2
  • 8
  • 6 (correct)
  • 12

    • What type of bond is formed when two atoms share valence electrons?

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

    What are atoms called when they have lost or gained electrons?

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

    Which term describes the state where attractive forces between atoms hold them together at a particular distance from each other and in a particular configuration?

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

    What is a compound?

    <p>A combination of different elements held together by chemical bonds (A)</p> Signup and view all the answers

    Which statement about elements is correct?

    <p>Elements are organized in the periodic table according to their atomic number (D)</p> Signup and view all the answers

    What is rust made of?

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

    How many known elements are there currently?

    <p>118 (C)</p> Signup and view all the answers

    Which of the following is true about ionic bonds?

    <p>Ionic bonds are formed between ions of opposite charge. (A)</p> Signup and view all the answers

    What force holds ionic compounds together?

    <p>Electrostatic force (C)</p> Signup and view all the answers

    Which of the following is an example of an ionic compound?

    <p>Sodium chloride (NaCl) (C)</p> Signup and view all the answers

    How are cations formed?

    <p>By losing electrons (D)</p> Signup and view all the answers

    What happens when an atom gains electrons?

    <p>It becomes an anion with a negative charge (B)</p> Signup and view all the answers

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