Which of the following best distinguishes a crystalline solid from an amorphous solid…
CHEMISTRY · Single correct · AP · Chemistry · Properties of Substances and Mixtures · Properties of Substances and Mixtures
Problem
Which of the following best distinguishes a crystalline solid from an amorphous solid at the particulate level?
(a) Particles occupy positions that repeat in only two dimensions, with random arrangement along the third.
(b) Particles occupy fixed positions that form a repeating three-dimensional pattern.
(c) Particles are locked in place by extremely strong covalent bonds, whereas amorphous solids are held together by weaker forces.
(d) Particles in the solid are completely fixed and do not vibrate about their positions.