Substance x has a fixed volume, and the attraction between its particles is strong. substance y has widely spread out particles and can be compressed. what can most likely be concluded about these substances?

X is a Solid; Y is a Gas

Explanation:

There are three (3) states of matter. They are: Solid, Liquid and Gases.

Substance X and Y, belong to the states of matter.

A Solid is a substance that retains its SIZE and SHAPE without need of a container (as opposed to a liquid or gas).

Thus, it will most likely be concluded that: substance X is a Solid; while Y is a Gas

answer; protein;