26Properties Metals AlloysMedium1 mark
The table shows some physical properties of four different substances.
Which row describes the properties of a non-metallic element?
| melting point / C | conductivity when solid | conductivity when melted | |
|---|---|---|---|
| A | 63 | good | good |
| B | 119 | poor | poor |
| C | 659 | good | good |
| D | 808 | poor | good |