1.56c:
- Electrolysis – decomposition of an ionic compound using an electric current
- Ionic compound must be either molten or in aqueous solution
o Solid state compounds’ ions cannot move / molten or aqueous solution
compounds’ ions can move
1.55c:
- Covalent substances do not conduct electricity
o Covalent molecules have no overall charge
o All electrons are held tightly in the atoms
1.57c:
- Positive ions are called cations
- Negative ions are called anions
1.58c:
Electrolysis of molten lead bromide: