Chapter 2: Atoms, Elements & Compounds Quiz
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Questions and Answers

What is the smallest unit of an element that still retains the properties of that element?

  • Electron
  • Atom (correct)
  • Molecule
  • Proton
  • Which subatomic particle carries a negative charge?

  • Proton
  • Neutron
  • Electron (correct)
  • Nucleus
  • What is the central part of an atom where protons and neutrons are located?

  • Nucleus (correct)
  • Atomic Mass
  • Valence Shell
  • Electron Cloud
  • How many electrons does a neutral carbon atom have?

    <p>6</p> Signup and view all the answers

    What type of bond involves the sharing of electrons between atoms?

    <p>Covalent Bond</p> Signup and view all the answers

    Explain the difference between an atom and an element.

    <p>An atom is the smallest unit of matter, while an element is a pure substance made of only one type of atom.</p> Signup and view all the answers

    Describe the structure of a compound and provide an example.

    <p>A compound is made up of two or more different elements chemically bonded together. An example is water (H2O).</p> Signup and view all the answers

    What is the significance of the atomic number of an element?

    <p>The atomic number represents the number of protons in the nucleus of an atom of that element.</p> Signup and view all the answers

    Explain how isotopes of an element differ from each other.

    <p>Isotopes of an element have the same number of protons but different numbers of neutrons.</p> Signup and view all the answers

    What is the role of electrons in chemical bonding?

    <p>Electrons are involved in forming chemical bonds between atoms by being shared, gained, or lost.</p> Signup and view all the answers

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