Wrap up/Launch

Where are the most reactive elements? What group/families are they in?

Knowing how the periodic table is organized will help you use it more efficiently.

Alkali metals are in column 1, Alkaline Earth metals are in column 2, Transition metals are in the big section in the middle, then there are 3 columns of other elements, next column would be the Chalcogens, then the Halogens and finally, the last column are the Noble gases.

Finish coloring your periodic table.