How is the arrangement of molecules in a dense object different than arrangement by molecule in a less dense object

The molecules in a dense object are tightly packed together

Explanation:

This happens because the closer molecules are the denser the object is, however, if they get too close it can be a very disastrous result and the compound becomes very unstable. Hope I could help! :)

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.