CH-303
Giant covalent structures
Chemistry · Secondary 3 · Medium · Giant covalent structures
Which statement explains why boron nitride with a giant covalent layered structure can act as a lubricant?
- It has free electrons that move between atoms.
- Weak forces between layers allow them to slide over each other easily.
- Ions in the structure can move freely between layers.
- The covalent bonds within each layer are very weak.
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