Question

what is the structure of solids? ​

Answer 1

A solid structure uses solid construction materials to support loads. A solid structure usually has a large mass. A well-made solid structure can last a long time. A concrete dam, a wooden telephone pole, and a marble statue are examples of solid structures

HOPE you understand

Answer 2

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structure of solid:

Different types of bonding- ionic, covalent, metallic, van der Waals and hydrogen. Band theory of solids, Periodic potential and Bloch theorem, Kronig-Penny model, energy band structure. Band structure in conductors, direct and indirect semiconductors and insulators (qualitative discussions); free electron theory of metals, effective mass, drift current, mobility and conductivity, Wiedemann-Franz law.

effect in metals :

Phenomenology and implication.