5 Written questions
5 Matching questions
- a a regular, repeating array of atoms or ions
Formed from α-quartz at 846K.
- c Silicon dioxide, (aka) silica, (most commonly found in nature as) quartz
- d different structural modifications of an element; bonding is different
- e different forms of crystal structure for the same solid material
5 Multiple choice questions
- The smallest building block of a crystal, consisting of atoms, ions, or molecules, whose geometric arrangement defines a crystal's characteristic symmetry and whose repetition in space produces a crystal lattice.
The most common form of silica (SiO₂) in nature.
- graphite; diamond
- 2-D network solid
- has more polymorphs than almost any other structure
5 True/False questions
SiO₂ (type) → molecular solid
SiC (type) → metallic solid
NaCl (structure) →
Diamond (type) → Network solid (3-D)
NaCl (type) → ionic solid