Can you add the following labels: Dividing line between Metals and non-metals, Alkali Metals, Halogens, Transition metals, Which are the most reactive
[non-radioactive] elements and why. Sketch the electronic configuration of the elements in group 1 and 7. Where is there most electron shielding?,
What are the charges of the ions groups 1-7? Why does group 8/0 not form ions?