When force are _ the object does not move

Which of the following compounds would be expected to have the strongest ionic bonds? a)the compound that has b)the largest ions with the greatest charge c)the compound that has d)the largest ions with the least charge the compound that has the smallest ions with the greatest charge the compound that has the smallest ions with the least charge

How many grams are in one mole of lead?

Find the midpoint of a segment with endpoints of 4-3i and -2+7i