A crystalline solid

Options

A. Changes abruptly from solid to liquid when heated
B. Has no definite melting point
C. Undergoes deformation of its geometry easily
D. Has an irregular 3-dimensional arrangements

Answer

A

Explanation

In crystalline solid there is perfect arrangement of the constituent particles only at 0 K. As the temperature increases the chance that a lattice site may be unoccupied by an ion increases. As the number of defects increases with temperature solid change in liquid.