How do Newton's Laws apply to the way an object moves?

Force equals mass times acceleration.

Acceleration is directly proportional to force and inversely proportional to mass. This means that if you get pushed, the harder you are pushed, the faster you'll move (accelerate). The bigger you are, the slower you'll move.

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex