Neither. They are both 10 grams so they weigh the same.
Uncertainty of the data hope its help you
Pretty sure non polar bc it’s equal
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.