
home	student log-in	Join AUS-e-TUTE	teacher log-in	contact

Oxidation and Reduction Concepts

Key Concepts

Oxidation: an atom or ion loses electrons
Reduction: an atom or ion gains electrons
In an oxidation reaction, the atom or ion becomes more positive due to the loss of electrons.
In a reduction reaction, the atom or ion beomes more negative due to the gain of electrons.

Examples of Oxidation and Reduction Reactions

Become an AUS-e-TUTE Member and get the full tutorial including worked examples.

AUS-e-TUTE Membership Advantages

advertise on the AUS-e-TUTE website and newsletters

Search this Site

You can search this site using a key term or a concept to find tutorials, tests, exams and learning activities (games).

Subscribe to our Free Newsletter

Email

to
subscribe to AUS-e-TUTE's free quarterly newsletter, AUS-e-NEWS.

AUS-e-NEWS is emailed out in
December, March, June, and September.

Ask Chris, the Chemist, a Question

The quickest way to find the definition of a term is to ask Chris, the AUS-e-TUTE Chemist.

Chris can also send you to the relevant
AUS-e-TUTE tutorial topic page.

Related AUS-e-TUTE Topics

Oxidation Numbers (States)

Redox Reaction Concepts

Displacement Reactions (Activity Series)

Electrochemical (Voltaic/Galvanic) Cells

Electrolytic Cells

Aluminium Production: Hall-Heroult Cells

Sodium Production: Down's Cells

Calculating Electrochemical Cell EMF (voltage)

Writing cell half-equations

REDOX Titrations

Faraday Laws of Electrolysis

Bookmark AUS-e-TUTE

Bookmark this site!

© AUS-e-TUTE