Crystalline Solid vs Amorphous Solid — Difference (with Table)
Crystalline Solid vs Amorphous Solid compared side by side — a 6-row comparison table and 4 key points. Class 10-11 Chemistry, free and no sign-up.
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TL;DR: Crystalline Solid vs Amorphous Solid compared side by side — a 6-row comparison table and 4 key points. Class 10-11 Chemistry, free and no sign-up.
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The main difference between Crystalline Solid and Amorphous Solid: Crystalline solids have atoms or molecules arranged in a regular, repeating pattern with a definite geometric shape. Amorphous solids have atoms or molecul
Crystalline Solid vs Amorphous Solid — Comparison Table
| Basis | Crystalline Solid | Amorphous Solid |
|---|---|---|
| Atomic Arrangement | Regular, repeating 3D pattern | Random and disorderly arrangement |
| Melting Point | Sharp, definite melting point | Gradual softening over a temperature range |
| Cleavage | Clean, flat surfaces when broken | Uneven fracture without definite planes |
| Optical Properties | Often transparent or have luster | Often opaque or dull appearance |
| Example | Diamond, table salt, ice, sugar | Glass, rubber, wax, pitch |
| Refractive Index | Varies with direction (anisotropic) | Same in all directions (isotropic) |
Key Points
- Crystal structure determines many properties of crystalline solids
- Amorphous solids are sometimes called supercooled liquids
- X-ray diffraction can identify crystalline structures
- Most ionic compounds are crystalline; most polymers are amorphous