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| Question | Answer |
| Define ionic bonding | The electrostatic attraction between positive and negative ions |
| How are ions formed? | Ions are formed as a result of electron transfer (NOT SHARING) |
| In which compounds can ionic bonding be found? | Compounds of a metal and a non-metal |
| Complete the sentences: Ionic crystals are _______ ________ of ions. A giant ionic lattice forms because each ion is __________________ attracted in all directions to ions of the ___________ charge. | Ionic crystals are GIANT LATTICES of ions. A giant ionic lattice forms because each ion is ELECTROSTATICALLY attracted in all directions to ions of the OPPOSITE charge. |
| What are the properties of ionic compounds? | Conducts electricity when molten or dissolved High melting and boiling points Soluble in water |
| Ions cannot conduct electricity when solid. Why? | Ions in a liquid are free to to move (and carry a charge) In a solid, they're fixed in position by strong ionic bonds |
| Explain why ionic compounds have high melting and boiling points | Giant ionic lattices are held together by strong electrostatic forces |
| Explain why ionic compounds are soluble in water | Parts of the molecule have small negative and small positive charges (the molecules are polar). This means that the compounds can form hydrogen bonds with water. |
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