Chemistry

Problem

\text{Si}^{4+}

has an ionic radius of

4.2 \times 10^{-11}

m and

\text{Si}^{4-}

has an ionic radius of

2.71 \times 10^{-10}

m. Explain the large difference in size between the

\text{Si}^{4+}

and

\text{Si}^{4-}

ions.