The table below shows some properties of substances D, F and E. Study it and answer the questions that follow.
Substance | M.P (°C) | Solubility in water | Electrical solid state | Conductivity molten stated |
E | −39 | Insoluble | Good | Good |
D | 1610 | Insoluble | Poor | Poor |
F | 801 | Soluble | Poor | Good |
Select substance:
- With a giant molecular structure.
- That has ionic bonding.
- That is a metal.