Transition metals

1.http://www.chemicalelements.com/groups/transition.html
2.http://www.bbc.co.uk/schools/gcsebitesize/science/edexcel/patterns/transitionmetalsrev1.shtml
3.BBC BITESIZE: http://www.bbc.co.uk/schools/gcsebitesize/science/aqa/rocks/metalsrev5.shtml
4.http://www.docbrown.info/page04