NY Regents Chemistry Exam June 2022
19. Which property is determined by the structure, arrangement, and interactions of the molecules of a substance at a given temperature and pressure?
(1) atomic radius
(2) half-life
(3) formula mass
(4) physical state
Explanation:The interaction and arrangement of molecules of a substance determine its physical state. For example, when molecules are strongly attracted to one another and are arranges closely to one another, the substance would be in a solid phase
Answer: 4