Thermal conductivity of a solid has different values along different directions. What kind of solid is this ? Also comment on its melting point .

Thermal and elctrical conductivity of a solid is same in different directions. Name the phenomenon involved

Which of the following ionic solids has the lowest melting point?

Give the differences between crystalline and amorphous solids with respect to shape and melting point.

What makes the crystalline solids have a sharp melting point ?

Assertion : In crystalline solids, the value of resistance is different in different directions. Reason : Crystalline solids are isotropic in nature.