Question

Glass is a _____________________substance.

Answer 1

1. An amorphous solid has no definite form, either geometric or crystalline
2. Amorphous, or non-crystalline, solids lack this long-range order.
3. Accordingly, they lack the elasticity, distinct melting points, and other properties of crystalline solids.
4. An example of an amorphous solid is glass.

Hence, glass is an amorphous substance.