The following table gives information about isotopes of the unknown element x:

what would you expect the average atomic mass of element x to be?

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >

c) should be the answer.

i belive it is water

the correct answer would be b. amelia, because the particals of gas move really fast (charged particals) and gas also has a lot of room (particals move independently) so the only answer that has both of those is amelia's.