Physics for IGCSE & O level - Thermal Effects (Section 6 - No. 41)
What is a key difference between solids and gases regarding their particles?
Solids have fixed positions while gases do not.
Gases have fixed positions while solids do not.
The particles are the same.
Solids are more fluid than gases.
Explicación
Particles in solids are fixed, while particles in gases move freely.