2.1.5 Redox

Oxidation number

(a) rules for assigning and calculating oxidation numbers

(b) writing formulae using oxidation numbers

(c) use of Roman numerals when elements have compounds/ions with different oxidation numbers.

Redox reactions

(d) oxidation and reduction in terms of:

(i) electron transfer

(ii) changes in oxidation number

(e) metal-acid redox

(f) interpretation of redox equations in (e), and unfamiliar redox reactions, to make predictions in terms of oxidation numbers and electron loss/ gain. {see above links}