Question

How do you know which element is the most reactive in the periodic table?

Answer 1

Sample Response: The reactivity of metals increases as you move left in a period and as you move down in a group, so Marie needs to know the period and group of the element inside each box. Boxes that show locations in groups 1 or 2 or in period 8 contain the most reactive elements.

Step-by-step explanation:

Answer 2

The most reactive metal in the periodic table (Cesium) with the most reactive non-metal (Fluorine).