Solid carbon dioxide, $\text{CO}_2$, resembles solid iodine, $\text{I}_2$, in both its structure and its properties. Carbon belongs to Group 14. Silica, $\text{SiO}_2$, is a compound from Group 14. Which statement about solid $\text{CO}_2$ and solid $\text{SiO}_2$ is correct?
- ABoth solids exist in a lattice structure.
- BBoth solids have a simple molecular structure.
- CBoth solids have atoms joined by single covalent bonds.
- DBoth solids change spontaneously to gas at s.t.p.