Question

1. the type of solid depends on how the __________ in the solid are arranged.

Explanation:

In the study of solids (a topic in Chemistry, part of Natural Science), the type of solid (like crystalline or amorphous) is determined by the arrangement of its particles (atoms, ions, or molecules). So the blank should be filled with "particles (atoms, ions, or molecules)".

Answer:

particles (atoms, ions, or molecules)