Classic reactions of the alkali metals with water
Ethanol is the alcohol in alcoholic drinks
4.29. Handle with care The alcohols are another homologous series like the alkanes and the alkenes. Alcohols contain a functional grou...
Gases can be compressed
Physically gases have a number of similarities. For example - all gases will: fill the container in which they are placed and adopt its sha...
Thermoplastic Polymers ( plastics) are used to make a huge range of everyday objects
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
masses and charges of subatomic particles
1.15 Sub atomic particles Students should: 1.15 know the structure of an atom in terms of the positions, relative masses and relativecharg...
most salts are crystalline ionic compounds
2.34 Defining salts Common "table" salt ( sodium chloride) is found dissolved in large quantities in seawater. Sodium Chloride i...
When non-metal atoms bond to other non-metal atoms they share electrons to form covalent bonds. 1.44 - 1.45 Activity. Opposites ...
The pH of everyday substances and their pH values can be found using universal indicator
Acids and alkalis are all around us; many everyday foods, drinks, cleaning products are acidic or alkaline. Study the image of the pH scale "wheel". T...
Here we investigate electrolysis and try to explain our findings with a few diagrams and animations. In this diagram we are showing how heating ...