Which best describes what solid-state physics studies?
- how quantum theory explains the large-scale properties of solids
- how the atomic scale structure of solids explains their large-scale properties
- how the large-scale structure of solids explains their atomic scale structure
- how the large-scale properties of solids explains quantum theory

how the atomic scale structure of solids explains their large-scale properties

Explanation:

Solid state physics is a branch of physics (specifically condensed matter) that studies solids (rigid or semi-rigid matter), through its atomic description.

Then, it can be said that it studies the properties the solids present when they are gathered in a remarkable number of atoms.

This means, solid state physics fundamentally studies the properties due to the periodic ordering of the atoms in a solid.

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