Task 5 [M4]
Richard Hammond wants to explain to the audience why group 1 metals and group 7 halides are normally used in the form of compounds.
You need to find out the answers to the questions below:
http://encyclopedia.jrank.org/articles/pages/1204/Silver-Halide-Materials-General-Emulsion-Properties.htmlhttp://www.chemistryexplained.com/Ny-Pi/Photography.html
http://chemicalland21.com/industrialchem/inorganic/CAUSTIC%20SODA.htm
http://science.jrank.org/pages/6233/Sodium-Carbonate-Uses-sodium-carbonate.html
http://www.docbrown.info/page03/Alkali_Metals.htm