CH-246
Giant covalent structures
Chemistry · Secondary 3 · Medium · Giant covalent structures
Graphite is used as a lubricant in some machines. Which statement best explains this property of graphite?
- Each carbon atom in graphite is bonded to four other carbon atoms.
- Graphite has weak forces between its layers that allow them to slide over one another.
- Graphite is made of small simple molecules that move freely.
- Graphite contains mobile positive ions that can move between layers.
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