Using the kinetic theory of matter, explain the definite structure of solids.
Question 1 Report
Using the kinetic theory of matter, explain the definite structure of solids.
Answer Details
Definite structure of solids (kinetic theory). According to the kinetic theory of matter, the molecules of a solid are very closely packed together in a regular, orderly arrangement (a lattice) and are held in position by strong intermolecular forces of attraction.
Because these forces are strong, the molecules cannot move about freely from place to place; they can only vibrate to and fro about fixed mean positions. Since each molecule keeps to a fixed position within the ordered lattice, the solid maintains a fixed arrangement of its particles.
This fixed, orderly packing gives a solid both a definite shape and a definite volume, that is, a definite structure.
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