6) B
Out of all the options, SiO₂ is the only molecule which can form giant structure. Silicon is a large molecule as has more diffuse valence orbitals. This allows it to form giant structures.
6) B
Out of all the options, SiO₂ is the only molecule which can form giant structure. Silicon is a large molecule as has more diffuse valence orbitals. This allows it to form giant structures.