Question
Which is the larger species in each pair?a. Li or $L i^{+}$b. $\mathrm{I}^{-}$ or $\mathrm{Cs}^{+}$c. Cr or $\mathrm{Cr}^{3+}$d. $O$ or $O^{2-}$
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The atomic size is determined by the distance between the nucleus and the outermost shell where the electron resides. When an atom loses an electron and becomes a cation, the size decreases because the remaining electrons are pulled closer to the nucleus due to Show more…
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Which is the larger species in each pair? a. $\mathrm{Li}$ or $\mathrm{Li}^{+}$ b. $\mathrm{I}^{-}$ or $\mathrm{Cs}^{+}$ c. $\mathrm{Cr}$ or $\mathrm{Cr}^{3+}$ d. $\mathrm{O}$ or $\mathrm{O}^{2-}$
Which is the larger species in each pair? $$ \text { b. Li or Li}^{+} \quad \text { b. } I^{-} \text { or } C s^{+} \quad \text { c. Cr or } C r^{3+} \quad \text { d. } \text { O or } O^{2-} $$
Which is the larger species in each pair? \begin{equation} \text { a. }\mathrm{Li} \text { or } \mathrm{Li}^{-}\text { b. } \mathrm{I}^{-} \text { or } \mathrm{Cs}^{+} \quad \text { c. } \mathrm{Cror} \mathrm{Cr}^{3+} \quad \text { d. } \mathrm{O} \text { or } \mathrm{O}^{2-} \end{equation}
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