Question
Consider the ions $\mathrm{Sc}^{3 *}, \mathrm{Cl}, \mathrm{K}^{*}, \mathrm{Ca}^{2+},$ and $\mathrm{S}^{2} .$ Match these ions to the following pictures that represent the relative sizes of the ions.
Step 1
The more electrons an ion has, the larger it is because the electrons repel each other and push the electron cloud outward. Conversely, the more protons an ion has, the smaller it is because the protons attract the electrons and pull the electron cloud inward. Show more…
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Consider the ions $\mathrm{Sc}^{3+}, \mathrm{Cl}^{-}, \mathrm{K}^{+}, \mathrm{Ca}^{2+},$ and $\mathrm{S}^{2-} .$ Match these ions to the following pictures that represent the relative sizes of the ions. (FIGURE CANNOT COPY)
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