Create a poster or a PowerPoint slide show for one of the following groups on the periodic table: Alkali metals Alkaline earth metals Halogens Transition metals Synthetic elements Your poster must include the following: the group number(s) for these elements the number of elements in this group whether this group contains metals, nonmetals, or metalloids if the elements in this group are solids, liquids, or gases at room temperature at least two similar properties shared by this group the number of valence electron in this group the ion formed by elements in this group (for example +2 or -1, etc) an example of 2 compounds formed by these elements uses for these elements in your life at least one picture of an element in this group Make sure your poster/slide show is neat and organized. Take a picture of your poster and submit your picture here or submit your slide show here. .