Particles in a solid are packed tightly.

Question

True – Particles in a solid are packed tightly. 
False – Particles in a solid are packed tightly. 
Particles in a solid have thermal energy. 
True – Particles in a solid have thermal energy. 
False – Particles in a solid have thermal energy. 
Particles in a solid are completely still. 

Answer 1

False - Particles in a solid are not completely still. Although they are tightly packed, they still vibrate and have some movement.