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The Electron Configuration: Condensed quiz #1 Flashcards

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The Electron Configuration: Condensed quiz #1
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  • What is the condensed electron configuration for the element silver (Ag)?
    The condensed electron configuration for silver (Ag) is [Kr] 4d^10 5s^1, where [Kr] represents the noble gas core for krypton.
  • What is the first step in writing a condensed electron configuration for an element?
    The first step is to identify the last noble gas that comes before the element in question. This noble gas is used as the starting point for the configuration.
  • Which blocks of the periodic table are referenced when writing condensed electron configurations?
    The s, p, d, and f blocks of the periodic table are referenced. These blocks help determine the order in which electrons fill orbitals.
  • Why is the condensed electron configuration considered the preferred method for writing electron arrangements?
    It is preferred because it is faster and easier than writing the full ground state configuration. Unless otherwise specified, this method is typically used.
  • What does the noble gas in brackets represent in a condensed electron configuration?
    The noble gas in brackets represents the core electrons of that noble gas element. It serves as a shortcut for the electron configuration up to that point.
  • When should you use the full ground state electron configuration instead of the condensed form?
    You should use the full ground state configuration only if it is specifically requested. Otherwise, the condensed form is assumed to be acceptable.
  • How does knowing the preceding noble gas help in writing condensed electron configurations?
    Knowing the preceding noble gas allows you to start the configuration from that point, saving time and effort. It ensures accuracy in representing core electrons.
  • What is the role of the periodic table in determining electron configurations?
    The periodic table shows the arrangement of elements into blocks that correspond to electron subshells. This helps in determining the order of electron filling.
  • What is the significance of the s block in electron configuration?
    The s block begins with 1s and includes elements whose outermost electrons are in s orbitals. It is the starting point for electron filling in the periodic table.
  • Why is it important to identify both the element and the noble gas before it when writing condensed electron configurations?
    Identifying both ensures you use the correct starting point and fill the remaining electrons accurately. This prevents mistakes in the electron arrangement.