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Questions and Answers

What percentage of the total assessment does the written exam contribute?

  • 25%
  • 10%
  • 50% (correct)
  • 15%
  • Which statement best describes organic chemistry?

  • It involves only the physical properties of carbon compounds.
  • It exclusively studies inorganic compounds.
  • It focuses solely on the reactions of metals.
  • It is the study of the structure, properties, and reactions of carbon-containing compounds. (correct)
  • Which atomic principle states that a maximum of two electrons can occupy each atomic orbital?

  • Aufbau Principle
  • Octet Rule
  • Hund's Rule
  • Pauli Exclusion Principle (correct)
  • What is the correct definition of isotopes?

    <p>Atoms with the same atomic number but different mass numbers due to differing neutron counts.</p> Signup and view all the answers

    Which shell in an atom has only an s atomic orbital?

    <p>First shell</p> Signup and view all the answers

    Which of the following options correctly states the position of the atomic orbitals in shells?

    <p>Higher numbered shells contain a mix of s, p, and d orbitals.</p> Signup and view all the answers

    What is the primary focus of the study of properties in organic chemistry?

    <p>Both physical and chemical properties of organic matter</p> Signup and view all the answers

    In the context of electron distribution, which statement is true regarding energy levels?

    <p>The first shell has the lowest energy among the atomic orbitals.</p> Signup and view all the answers

    What does Hund’s rule state regarding the occupation of degenerate orbitals?

    <p>Electrons will occupy empty orbitals before pairing up to minimize electron repulsion.</p> Signup and view all the answers

    What is the shape of an s-orbital?

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

    According to G.N. Lewis, how does an atom achieve stability?

    <p>By having eight electrons in its outer shell or a filled for stability.</p> Signup and view all the answers

    What characterizes an ionic bond?

    <p>It results from the electrostatic attraction between oppositely charged ions.</p> Signup and view all the answers

    What defines a polar covalent bond?

    <p>Unequal sharing of electrons due to differences in electronegativity.</p> Signup and view all the answers

    Which of these elements would have a completely filled outer electron shell?

    <p>Neon (Ne)</p> Signup and view all the answers

    Which of the following statements is true about covalent bonds?

    <p>They result from the sharing of valence electrons between atoms.</p> Signup and view all the answers

    What is electronegativity?

    <p>The tendency of an atom to attract bonding electrons toward itself.</p> Signup and view all the answers

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