Chemistry Elements Ordering and Nitrogen Properties Quiz
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Questions and Answers

What is the principal quantum number, n, used to represent?

  • The spin of electrons in orbitals
  • The main energy levels, or shells, the electrons occupy (correct)
  • The orientation of electron subshells
  • The subshells of the orbitals
  • The shape of the orbital

    • Which statement about electronegativity is true?

  • Is a relative value (correct)
  • Has units of 10 to 18 kJ/g
  • Has a minimum value of 0
  • Applies to all elements in all states

    • Arrange the following elements in order of increasing electron affinity: chlorine, potassium, xenon, oxygen, cesium.

  • I, II, III, V, IV
  • III, V, II, IV, I
  • III, II, V, IV, I (correct)
  • III, II, IV, I, V

    • Which statement best describes electronegativity trends?

    <p>Increases going down a group</p> Signup and view all the answers

    Why is the potassium atom larger than the krypton atom?

    <p>There are more positive charges in the krypton nucleus, so the electrons are drawn closer</p> Signup and view all the answers

    Which of the following statements about electron orbitals is true?

    <p>Their shapes are predicted by Schrodinger's equation</p> Signup and view all the answers

    What is the correct order of increasing size for the elements: titanium, silicon, thallium, nitrogen?

    <p>nitrogen, titanium, silicon, thallium</p> Signup and view all the answers

    Which statement is true regarding diatomic nitrogen?

    <p>It has a total mass of 28 u</p> Signup and view all the answers

    Which group is known for its reactivity?

    <p>alkali metals</p> Signup and view all the answers

    How can a covalent bond be best described?

    <p>sharing of electrons between two atoms</p> Signup and view all the answers

    Which statement is likely to be true?

    <p>A ground-state potassium atom is larger than a potassium ion</p> Signup and view all the answers

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