Many chemical reactions can be reversed. When this happens we can describe a forward reaction and a back reaction. Sometimes the for...
Modern methods Activity 1 : Phytomining and Bioleaching Watch the video carefully, stopping where necessary to answer the questions b...
Background This topic is mostly about equilibria so it is important for students to understand that concept first. Before tackling this topic ma...
4.29. Handle with care The alcohols are another homologous series like the alkanes and the alkenes. Alcohols contain a functional grou...
Physically gases have a number of similarities. For example - all gases will: fill the container in which they are placed and adopt its sha...
Many organic molecules can be made to join up with one another to form very long molecules which can be thousands of atoms long. This makes ...
If a nucleus was the size of a raisin, the rest of the atom would be the size of a sports stadium
1.15 Sub atomic particles Students should: 1.15 know the structure of an atom in terms of the positions, relative masses and relativecharg...
When non-metal atoms bond to other non-metal atoms they share electrons to form covalent bonds. 1.46 Activity 2. Crossing and do...