Diamond is an example of

Why are solids rigid?

Write a note on metallic solids.

Which of the following statements is true for a crystalline solid?

'Stability of a crystal is reflected in the magnitude of its melting points'. Comment. Collect melting points of solid water,ethyl alcohol,diethyl ether and methane from a data book. What can you say about the intermolecular forces between these molecules?

During the melting of a crystal lattice,what happens to the structure of the solid?