Course content

57 lessons

7.1-7.3 · Acids, bases and salts

0/13

4.1-4.2, 6.4 · Redox and electrolysis

0/15

Oxidation number makes the change visible

The reactivity series, read as a voltage

How a simple cell drives a current

Why a galvanised roof survives a scratch

A hydrogen fuel cell powers a vehicle

Two ways for a current to pass

Which ion goes to which electrode

Half-equations at the two electrodes

Three aqueous electrolysis cases

Two volumes of hydrogen to one of oxygen

Electroplating a spoon with copper

One exam question, end to end

Quick revision: redox and electrolysis

5.1, 6.1-6.3 · Energy changes and rates of reaction

0/16

8.1-8.5, 9.1-9.6 · The periodic table in use: groups, transition metals and metals

0/13

4.1-4.2, 6.4 · Redox and electrolysisLesson 1 of 15Free preview

What rusting adds to the iron

Predict what happens to the mass as a roof rusts, then balance the reaction.