Solid 1 and solid 2 are both elements. Solid 1 is not malleable. Solid 2 is ductile. Which of the following statements is correct?
- ASolid 1 has good electrical conductivity only when molten.
- BSolid 2 has good electrical conductivity only when molten.
- CThe layers of ions in solid 1 can slide over one another.
- DThe layers of ions in solid 2 can slide over one another.