The "Chemistry and Life" box on ionic size in Section 7.3 compares the ionic radii of
Chapter 7, Problem 7.92(choose chapter or problem)
The "Chemistry and Life" box on ionic size in Section 7.3 compares the ionic radii of Zn2+ and Cd2+ (a) The 2+ ion of which other element seems the most obvious one to compare to Zn2+ and Cd2+? (b) With reference to Figure 2.24, is the element in part (a) essential for life? (c) Estimate the ionic radius of the 2+ ion of the element in part (a). Explain any assumptions you have made. (d) Would you expect the 2+ ion of the element in part (a) to be physiologically more similar to Zn2+ or to Cd2+? (e) Use a sourcebook or a Web search to determine whether the element in part (a) is toxic to humans.
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