AP MCQ 01EFGH PART 1

  • Question 01:

    If a photon has frequency = 2.00 x 1014 s-1 and the speed of light = 3.00 x 108 ms-1, then what is its wavelength?


  • Question 02:

    Which element will the most likely ion of sulfur, be isoelectronic with?


  • Question 03:

    The PES spectrum for magnesium atoms will show how many peaks, and in what ratio of heights?


  • Question 04:

    How many occupied outer shell orbitals does an arsenic (atomic number 33) atom possess?


  • Question 05:

    It is found that a mixture of the elements with atomic numbers 5 through 9 inclusive, produce a PES plot where the peaks representing the 1s sub-shell of each element, all have different heights. What is the best explanation for this observation?


  • Question 06:

    The electronic configuration of Fe3+ is?


  • Questions 07-09:

    Questions 7-9 concern the simulated PES plots of oxygen and neon that are superimposed upon one another in the diagram below. Pink peaks represent neon, blue peaks represent oxygen.

    Question 07:

    What is the best explanation for each pink peak, being to the left of the corresponding blue peak in each case?

  • Question 08:

    Which of pink peaks represents an electron that will be removed during the following process?

    Ne(g) → Ne+(g) + e-


  • Question 09:

    If a third set of peaks were to be superimposed on to the same plot, this time for the PES spectrum for sodium, what would one expect to observe?


  • Question 10:

    Which electron transition would release the greatest amount of energy?


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