WAEC - Chemistry (1991 - No. 12)
Which of the following modes of motion is exhibited by the particles of a solid?
Vibrational and random motion
Vibrational and translational motion
Translational and random motion
Vibrational motion only
Translational motion only
คำอธิบาย
The cohesive forces binding the particles of a solid are strong enough to restrict their movement so that they are held together in a fixed point. They only vibrate and rotate about their fixed point.