The Orbitals Being Filled for Elements in Various Parts of the Periodic Table

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The Orbitals Being Filled for Elements in Various
Parts of the Periodic Table
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Question 1

• Which of the following is the expected ground
  state electron configuration for antimony (Sb)?
• a) Kr 5s24d104p2
• b) Kr 5s25d105p3
• c) Kr 5s24d105p3
• d) Xe 5s24d105p3
• e) Not sure

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Question 2

• Which of the following (a-c) does not correctly
  match the species with the expected electron
  configuration?
• a) A ground state calcium atom Ar 4s2
• b) The most stable ion for bromine Ar
  4s23d104p6
• c) An excited state of sulfur Ne 3s23p34s1
• d) At least two of the above (a-c) are
  incorrectly matched.
• e) All of the above (a-c) are correctly matched.

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Question 3

• Rank the following from smallest to largest
  atomic radius.
• a) Rb, Ca, Br, N
• b) Br, N, Rb, Ca
• c) N, Rb, Br, Ca
• d) N, Br, Ca, Rb
• e) Ca, Rb, N, Br

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Question 4

• Rank the following from smallest to greatest
  ionization energy.
• a) Rb, Ca, Br, N
• b) Br, N, Rb, Ca
• c) N, Rb, Br, Ca
• d) N, Br, Ca, Rb
• e) Ca, Rb, N, Br

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The Electron Affinity Values for Atoms Among the
First 20 Elements that Form Stable, Isolated X-
Ions
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