A-LevelChemistryChemical bonding9701/12 · Feb/Mar 2016 · Q81 Mark
Solid carbon dioxide, CO₂, is similar to solid iodine, I₂, in its structure and properties. Carbon is in Group 14. Silica, SiO₂, is a Group 14 compound. Which statement about solid CO₂ and solid SiO₂ 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.
✓ Correct answer
A: Both solids exist in a lattice structure.
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