1. why can ionic compounds conduct electricity when dissolved in water but not when they're solid?
- there are gaps for the current to flow through
- when dissolved ions can separate and can move freely meaning they are able to carry an electric current
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2. what is covalent bonding
- atoms vibrating together
- sharing electrons due to electrostatic attraction between the positive nuclei and the negative electrons
- giving up or gaining an electron
3. what makes sea water salty?
- contains many ionic compounds called salts
- someone was eating slat and vinegar crips in the sea
4. why do solid ionic compounds form crystals?
- ionic bonds create one giant ionic lattice which is a single crystal of salt
- the forces of attraction between the ions are very strong
5. do solid ionic compounds have low or high boiling points?explain why
- high because it takes a lot of energy to overcome the strong forces of attraction between ions
- low because its easy to break the bonds