Solids are one of the three states of matter. The particles in solids (atoms, molecules, ions) are linked to each other by strong intermolecular forces.
They cannot move but only vibrate about their mean positions.
Temperature is a measure of the average kinetic energy of particles in a substance. As the temperature of a substance is increased, the average kinetic energy of its particles increases.
As a metal such as lead is heated past its melting point, what happens to the average kinetic energy of the atoms?
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