Sources
Alkali Metals
http://www.bbc.co.uk/schools/gcsebitesize/science/edexcel_pre_2011/patterns/groupsrev1.shtml
http://www.bbc.co.uk/schools/gcsebitesize/science/add_ocr_pre_2011/periodic_table/group1rev2.shtml
http://www.bbc.co.uk/schools/gcsebitesize/science/add_edexcel/periodic_table/groupsrev2.shtml
https://www2.chemistry.msu.edu/faculty/reusch/virttxtjml/intro2.htm
http://www.chemicalelements.com/groups/alkali.html
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Halogens
http://www.bbc.co.uk/schools/gcsebitesize/science/add_ocr_pre_2011/periodic_table/group7rev1.shtml
http://www.bbc.co.uk/schools/gcsebitesize/science/edexcel_pre_2011/patterns/groupsrev5.shtml
​
Noble Gases
http://www.bbc.co.uk/schools/gcsebitesize/science/aqa_pre_2011/oils/changesrev6.shtml
http://www.bbc.co.uk/education/guides/zd8hvcw/revision
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Bonding
http://chem.libretexts.org/Core/Organic_Chemistry/Fundamentals/Ionic_and_Covalent_Bonds
http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa_pre_2011/atomic/differentsubrev2.shtml
http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa_pre_2011/atomic/differentsubrev5.shtml
http://www.bbc.co.uk/schools/gcsebitesize/science/add_ocr_gateway/periodic_table/metalsrev2.shtml
https://prezi.com/qgltmxxiokka/metallic-bonding-intermolecular-forces/
http://www.bbc.co.uk/bitesize/higher/chemistry/energy/bsp/revision/3/
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Forms of Carbon
http://ibchem.com/IB/ibnotes/full/bon_htm/14.4.htm
https://prezi.com/sbw5shag6wlv/compare-and-contrast-the-properties-of-diamond-and-graphite/