Substance X is able to conduct electricity when it is solid. Substance X can be hammered into shape. Which statement is correct?
- AX conducts electricity by the movement of electrons between layers of negative ions.
- BX conducts electricity by the movement of positive ions through a giant lattice.
- CX has a giant lattice of positive ions in a ‘sea’ of delocalised electrons.
- DX has layers of atoms with delocalised electrons between the layers.