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Give reasons for the following:
Molecular solids are generally soft and easily compressible.

A molecular soild consist of small, non-polar covalent molecule and is held together by landon dispersion forces. thus the force of attraction between the molecule is less de to this reason molecular soilds are generally soft and easily compressible.

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Explain the following with suitable examples:
Antifluorite structure

Give reasons for the following:
All metals have metallic bonds but some metals are soft and having low melting points and some are hard and having high melting points.

Give reasons for the following:
The energy required to vapourise one mole of copper is smaller than that of energy required to vapourise one mole of diamond.

Explain the following with suitable examples:
Piezoelectric effect (or pressure electricity)

The Solid State

Give reasons for the following:Molecular solids are generally soft and easily compressible.

Give reasons for the following:
Molecular solids are generally soft and easily compressible.