You are comparing the results obtained from the analyses of two different pens. You find that each pen has blue ink and that both blue inks have a similar λmax range. However the blue inks have substantially different Rf values. Could these two blue inks be the same substance? Why or why not?

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.

with this one i know the answer in craters one reason i looked it up and i learned about it there is my evidence

since electrons are negative the answer is neagtaive