Some Basic Concepts of Chemistry What is the arrangement of particles in solids? a) Loosely packed b) Random c) Closely packed d) Free to move Answer: c) Closely packed What type of motion can particles in solids have? a) Translational motion b) Rotational motion c) Vibratory motion d) Random motion Answer: c) Vibratory motion What gives definite regular shape to crystals in solids? a) Vibratory motion of particles b) Random arrangement of particles c) Closely packed particles d) Interparticle forces Answer: c) Closely packed particles What are the interparticle forces in solids? a) Weak b) Strong c) Non-existent d) Opposite of attractive Answer: b) Strong Do solids have a definite shape and volume? a) Definite shape, no definite volume b) No definite shape, definite volume c) Definite shape, definite volume d) No definite shape, no definite volume Answer: c) Definite shape, definite volume What is the arra