Question

select all of the particle diagrams below that represent a heterogeneous mixture.

Explanation:

A heterogeneous mixture has visibly different parts and non - uniform composition. In particle diagrams, this means different types of particles that are not evenly distributed. The first diagram has only one type of particle, so it's not a heterogeneous mixture. The second diagram has different types of particles (single atoms and molecules) mixed together in a non - uniform way, which represents a heterogeneous mixture. The third diagram also has different types of particles (molecules) but is more sparse and still shows a non - uniform distribution of different particle types, representing a heterogeneous mixture.

Answer:

The second and third particle diagrams represent a heterogeneous mixture.