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Question
The following four spheres represent an Mg atom, an Mg2+ ion, a S atom, and a S2- ion, not necessarily in that order. Use your knowledge about the relative sizes of atoms, cations, and anions to determine which of the following sets of reactions is most consistent with the sizes of the atoms and ions shown below.
A) A -> B + 2e- and C -> D + 2e-
B) A -> B + 2e- and D -> C + 2e-
C) B -> A + 2e- and C -> D + 2e-
D) B -> A + 2e- and D -> C + 2e-
Answer
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