Question

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? substance x is a crystal, and substance y is a liquid. substance x is a gas, and substance y is a plasma. substance x is a plasma, and substance y is a crystal. substance x is a solid, and substance y is a plasma.

Explanation:

固体有固定体积，粒子间吸引力强；等离子体粒子广泛分散且可压缩。根据物质X和Y的性质描述判断。

Answer:

Substance X is a solid, and substance Y is a plasma.