9701/12/F/M/16 Q8


Cher Questions Solution Bank Rumusan Jawapan SPM & IGCSE Questions Answers Solution

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?
A Both solids exist in a lattice structure.
B Both solids have a simple molecular structure.
C Both solids have atoms joined by single covalent bonds.
D Both solids change spontaneously to gas at s.t.p.

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