GCSE Chemistry practice questions on ions and ionic bonding. Try 3 for free below — with hints, the answer and why the wrong answers are tempting. GCSE Beast has 16 questions on this topic.
Sea salt crystals are mainly sodium chloride. A student predicts how sodium chloride behaves from its ionic bonding.
Which row shows the correct predictions?
| melting point | conducts electricity as a crystal | conducts electricity dissolved in water | |
|---|---|---|---|
| A | high | no | yes |
| B | high | yes | yes |
| C | high | no | no |
| D | low | no | yes |
Rock salt is mined from underground deposits and spread on icy roads. It is mainly sodium chloride, an ionic compound.
Which statement describes an ionic bond?
Some batteries that store energy use molten lithium chloride. Solid lithium chloride does not conduct electricity, but molten lithium chloride does.
Which statement explains this?