The ammonia gas, having a lower molecular weight than the hydrogen chloride, will diffuse faster and travel a greater length of the tube. Consequently, the white ring of ammonium chloride will form ...

The structure of a small molecule can also be shown as a three ... The diagram shows a ball and stick model of ammonia.

THE clathrate type of molecular compound is formed by the imprisonment of one sort of molecule in some kind of cage structure of the other component. In the compound the molecular component M is ...