A liquid is rightly modeled by the diagram in model 1.
States of matter:
There are three states of matter which are;
Particle motion in the states of matter:
The degree of motion of particles in the three states of matter differs. The particles of matter in a solid are compacted hence a solid has no space between particles. Particles are less compacted in the liquid phase but are very free in the gas phase.
Hence, model 1 must be the correct representation of a liquid.
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