Chapter 8: Problem 35
Define ionic radius. How does the size change when an atom is converted to (a) an anion and (b) a cation?
Chapter 8: Problem 35
Define ionic radius. How does the size change when an atom is converted to (a) an anion and (b) a cation?
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Get started for freeUse the alkali metals and alkaline earth metals as examples to show how we can predict the chemical properties of elements simply from their electron configurations.
Compare the physical and chemical properties of metals and nonmetals.
In each of the following pairs, indicate which one of the two species is smaller: (a) \(\mathrm{Cl}\) or \(\mathrm{Cl}^{-},\) (b) Na or \(\mathrm{Na}^{+}\), (c) \(\mathrm{O}^{2-}\) or \(\mathrm{S}^{2-},\) (d) \(\mathrm{Mg}^{2+}\) or \(\mathrm{Al}^{3+},\) (e) \(\mathrm{Au}^{+}\) or \(\mathrm{Au}^{3+}\).
On the basis of their positions in the periodic table, select the atom with the larger atomic radius in each of these pairs: (a) \(\mathrm{Na}, \mathrm{Cs} ;\) (b) Be, \(\mathrm{Ba}\); (c) \(\mathrm{N}, \mathrm{Sb}\) (d) \(\mathrm{F}, \mathrm{Br},(\mathrm{e}) \mathrm{Ne}, \mathrm{Xe}\)
Why do elements that have high ionization energies usually have more positive electron affinities?
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