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THE PROCESSES OF CONDUCTION IN METALS:
1. ( Delocalised electrons, Charged particles, Ions, Free electrons, Fluid particles ) are free to move in metals.
2. Some ( electrons, particles, ions, atoms ) gain ( thermal, kinetic, heat, sound, movement ) energy.
2. They ( move more rapidly, vibrate more often, vibrate more rapidly, form stable ions ), as they have more ( kinetic, thermal, heat, sound, movement ) energy.
3. They ( collide, vibrate, begin to vibrate ) with other, cooler electrons, transferring ( kinetic, thermal, sound, movement, heat ) energy.
4. So ( thermal, kinetic, sound, heat, movement ) energy is transferred from a ( hotter, colder ) to a ( colder, hotter ) region.